Search a number
-
+
54855552 = 273236211
BaseRepresentation
bin1101000101000…
…0011110000000
310211012221200010
43101100132000
5103020334202
65235424520
71234156503
oct321203600
9124187603
1054855552
1128a67874
1216455140
13b49850b
1473dd13a
154c3876c
hex3450780

54855552 has 64 divisors (see below), whose sum is σ = 152069760. Its totient is φ = 17487360.

The previous prime is 54855551. The next prime is 54855553. The reversal of 54855552 is 25555845.

It is an interprime number because it is at equal distance from previous prime (54855551) and next prime (54855553).

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 54855552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54855551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5727 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (2376090).

Almost surely, 254855552 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 54855552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76034880).

54855552 is an abundant number, since it is smaller than the sum of its proper divisors (97214208).

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

54855552 is a wasteful number, since it uses less digits than its factorization.

54855552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251 (or 6239 counting only the distinct ones).

The product of its digits is 200000, while the sum is 39.

The square root of 54855552 is about 7406.4534022702. The cubic root of 54855552 is about 379.9620275999.

The spelling of 54855552 in words is "fifty-four million, eight hundred fifty-five thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 184 192 276 368 384 552 736 1104 1472 2208 2944 4416 6211 8832 12422 18633 24844 37266 49688 74532 99376 142853 149064 198752 285706 298128 397504 428559 571412 596256 795008 857118 1142824 1192512 1714236 2285648 2385024 3428472 4571296 6856944 9142592 13713888 18285184 27427776 54855552