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55856248 = 237997433
BaseRepresentation
bin1101010100010…
…0110001111000
310220002210100221
43111010301320
5103244344443
65313105424
71245525130
oct325046170
9126083327
1055856248
1129590698
1216858274
13b758b46
1475bdac0
154d84eed
hex3544c78

55856248 has 16 divisors (see below), whose sum is σ = 119692080. Its totient is φ = 23938368.

The previous prime is 55856209. The next prime is 55856263. The reversal of 55856248 is 84265855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498661 + ... + 498772.

It is an arithmetic number, because the mean of its divisors is an integer number (7480755).

Almost surely, 255856248 is an apocalyptic number.

It is an amenable number.

55856248 is an abundant number, since it is smaller than the sum of its proper divisors (63835832).

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

55856248 is a wasteful number, since it uses less digits than its factorization.

55856248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997446 (or 997442 counting only the distinct ones).

The product of its digits is 384000, while the sum is 43.

The square root of 55856248 is about 7473.7037672094. The cubic root of 55856248 is about 382.2585897481.

The spelling of 55856248 in words is "fifty-five million, eight hundred fifty-six thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 997433 1994866 3989732 6982031 7979464 13964062 27928124 55856248