56515552 has 24 divisors (see below), whose sum is σ = 111461616. Its totient is φ = 28207872.

The previous prime is 56515549. The next prime is 56515553. The reversal of 56515552 is 25551565.

It is a super-3 number, since 3×56515552³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56515553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22588 + ... + 24964.

It is an arithmetic number, because the mean of its divisors is an integer number (4644234).

Almost surely, 2^56515552 is an apocalyptic number.

It is an amenable number.

56515552 is a deficient number, since it is larger than the sum of its proper divisors (54946064).

56515552 is a wasteful number, since it uses less digits than its factorization.

56515552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3122 counting only the distinct ones).

The product of its digits is 37500, while the sum is 34.

The square root of 56515552 is about 7517.6826216594. The cubic root of 56515552 is about 383.7567180085.

The spelling of 56515552 in words is "fifty-six million, five hundred fifteen thousand, five hundred fifty-two".