55912512 has 56 divisors (see below), whose sum is σ = 149165056. Its totient is φ = 18482688.

The previous prime is 55912501. The next prime is 55912543. The reversal of 55912512 is 21521955.

It is a self number, because there is not a number n which added to its sum of digits gives 55912512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23238 + ... + 25530.

Almost surely, 2^55912512 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 55912512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74582528).

55912512 is an abundant number, since it is smaller than the sum of its proper divisors (93252544).

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

55912512 is a wasteful number, since it uses less digits than its factorization.

55912512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2425 counting only the distinct ones).

The product of its digits is 4500, while the sum is 30.

The square root of 55912512 is about 7477.4669507795. The cubic root of 55912512 is about 382.3868963724.

The spelling of 55912512 in words is "fifty-five million, nine hundred twelve thousand, five hundred twelve".