56887836 has 12 divisors (see below), whose sum is σ = 132738312. Its totient is φ = 18962608.

The previous prime is 56887829. The next prime is 56887841. The reversal of 56887836 is 63878865.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 2370315 + ... + 2370338.

It is an arithmetic number, because the mean of its divisors is an integer number (11061526).

Almost surely, 2^56887836 is an apocalyptic number.

It is an amenable number.

56887836 is an abundant number, since it is smaller than the sum of its proper divisors (75850476).

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

56887836 is a wasteful number, since it uses less digits than its factorization.

56887836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740660 (or 4740658 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 56887836 is about 7542.4025350017. The cubic root of 56887836 is about 384.5975126998.

The spelling of 56887836 in words is "fifty-six million, eight hundred eighty-seven thousand, eight hundred thirty-six".