55310056 has 16 divisors (see below), whose sum is σ = 105128100. Its totient is φ = 27275904.

The previous prime is 55310039. The next prime is 55310069. The reversal of 55310056 is 65001355.

It can be written as a sum of positive squares in 2 ways, for example, as 54908100 + 401956 = 7410^2 + 634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55310056.

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, 46771 + ... + 47938.

Almost surely, 2^55310056 is an apocalyptic number.

It is an amenable number.

55310056 is a deficient number, since it is larger than the sum of its proper divisors (49818044).

55310056 is a wasteful number, since it uses less digits than its factorization.

55310056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94788 (or 94784 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 55310056 is about 7437.0730801842. The cubic root of 55310056 is about 381.0085305668.

It can be divided in two parts, 553 and 10056, that added together give a square (10609 = 103²).

The spelling of 55310056 in words is "fifty-five million, three hundred ten thousand, fifty-six".