56836590 has 32 divisors (see below), whose sum is σ = 136995840. Its totient is φ = 15091104.

The previous prime is 56836573. The next prime is 56836597. The reversal of 56836590 is 9563865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56836597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3207 + ... + 11133.

It is an arithmetic number, because the mean of its divisors is an integer number (4281120).

Almost surely, 2^56836590 is an apocalyptic number.

56836590 is an abundant number, since it is smaller than the sum of its proper divisors (80159250).

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

56836590 is a wasteful number, since it uses less digits than its factorization.

56836590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8176.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 56836590 is about 7539.0045762024. The cubic root of 56836590 is about 384.4819929529.

The spelling of 56836590 in words is "fifty-six million, eight hundred thirty-six thousand, five hundred ninety".