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55814748 = 22311894751
BaseRepresentation
bin1101010011101…
…0101001011100
310220000200102220
43110322221130
5103242032443
65312145340
71245263133
oct324725134
9126020386
1055814748
11295624a0
1216838250
13b742ca2
1475ac91a
154d77a83
hex353aa5c

55814748 has 48 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 16720000.

The previous prime is 55814747. The next prime is 55814783. The reversal of 55814748 is 84741855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55814743) 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, 9373 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 255814748 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 55814748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71850240).

55814748 is an abundant number, since it is smaller than the sum of its proper divisors (87885732).

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

55814748 is a wasteful number, since it uses less digits than its factorization.

55814748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858 (or 4856 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 55814748 is about 7470.9268501304. The cubic root of 55814748 is about 382.1638963016.

The spelling of 55814748 in words is "fifty-five million, eight hundred fourteen thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 89 132 178 267 356 534 979 1068 1958 2937 3916 4751 5874 9502 11748 14253 19004 28506 52261 57012 104522 156783 209044 313566 422839 627132 845678 1268517 1691356 2537034 4651229 5074068 9302458 13953687 18604916 27907374 55814748