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54945888 = 2533137499
BaseRepresentation
bin1101000110011…
…0100001100000
310211101112120220
43101212201200
5103031232023
65241403040
71235014044
oct321464140
9124345526
1054945888
1129019728
1216499480
13b4ca67a
147424024
154c553e3
hex3466860

54945888 has 96 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 17210880.

The previous prime is 54945881. The next prime is 54945893. The reversal of 54945888 is 88854945.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 54945888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54945881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109863 + ... + 110361.

It is an arithmetic number, because the mean of its divisors is an integer number (1596000).

Almost surely, 254945888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54945888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76608000).

54945888 is an abundant number, since it is smaller than the sum of its proper divisors (98270112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54945888 is a wasteful number, since it uses less digits than its factorization.

54945888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The square root of 54945888 is about 7412.5493590262. The cubic root of 54945888 is about 380.1704867500.

The spelling of 54945888 in words is "fifty-four million, nine hundred forty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 37 48 62 74 93 96 111 124 148 186 222 248 296 372 444 496 499 592 744 888 992 998 1147 1184 1488 1497 1776 1996 2294 2976 2994 3441 3552 3992 4588 5988 6882 7984 9176 11976 13764 15469 15968 18352 18463 23952 27528 30938 36704 36926 46407 47904 55056 55389 61876 73852 92814 110112 110778 123752 147704 185628 221556 247504 295408 371256 443112 495008 572353 590816 742512 886224 1144706 1485024 1717059 1772448 2289412 3434118 4578824 6868236 9157648 13736472 18315296 27472944 54945888