56087520 has 48 divisors (see below), whose sum is σ = 176677200. Its totient is φ = 14956544.

The previous prime is 56087513. The next prime is 56087557. The reversal of 56087520 is 2578065.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 57945 + ... + 58904.

It is an arithmetic number, because the mean of its divisors is an integer number (3680775).

Almost surely, 2^56087520 is an apocalyptic number.

It is an amenable number.

56087520 is an abundant number, since it is smaller than the sum of its proper divisors (120589680).

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

56087520 is a wasteful number, since it uses less digits than its factorization.

56087520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116867 (or 116859 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 56087520 is about 7489.1601665340. The cubic root of 56087520 is about 382.7854420248.

The spelling of 56087520 in words is "fifty-six million, eighty-seven thousand, five hundred twenty".