55859312 has 40 divisors (see below), whose sum is σ = 112492800. Its totient is φ = 26850752.

The previous prime is 55859311. The next prime is 55859357. The reversal of 55859312 is 21395855.

It is a super-2 number, since 2×55859312² = 6240525474226688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55859311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43739 + ... + 44997.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^55859312 is an apocalyptic number.

It is an amenable number.

55859312 is an abundant number, since it is smaller than the sum of its proper divisors (56633488).

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

55859312 is a wasteful number, since it uses less digits than its factorization.

55859312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1367 counting only the distinct ones).

The product of its digits is 54000, while the sum is 38.

The square root of 55859312 is about 7473.9087497775. The cubic root of 55859312 is about 382.2655792312.

The spelling of 55859312 in words is "fifty-five million, eight hundred fifty-nine thousand, three hundred twelve".