56255516 has 24 divisors (see below), whose sum is σ = 108773280. Its totient is φ = 25321472.

The previous prime is 56255513. The next prime is 56255519. The reversal of 56255516 is 61555265.

It is an interprime number because it is at equal distance from previous prime (56255513) and next prime (56255519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56255513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16421 + ... + 19548.

It is an arithmetic number, because the mean of its divisors is an integer number (4532220).

Almost surely, 2^56255516 is an apocalyptic number.

It is an amenable number.

56255516 is a deficient number, since it is larger than the sum of its proper divisors (52517764).

56255516 is a wasteful number, since it uses less digits than its factorization.

56255516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36013 (or 36011 counting only the distinct ones).

The product of its digits is 45000, while the sum is 35.

The square root of 56255516 is about 7500.3677243186. The cubic root of 56255516 is about 383.1672401217.

The spelling of 56255516 in words is "fifty-six million, two hundred fifty-five thousand, five hundred sixteen".