56686470 has 32 divisors (see below), whose sum is σ = 139214592. Its totient is φ = 14764512.

The previous prime is 56686463. The next prime is 56686493. The reversal of 56686470 is 7468665.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20682 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (4350456).

Almost surely, 2^56686470 is an apocalyptic number.

56686470 is an abundant number, since it is smaller than the sum of its proper divisors (82528122).

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

56686470 is a wasteful number, since it uses less digits than its factorization.

56686470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43996.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 56686470 is about 7529.0417716998. The cubic root of 56686470 is about 384.1431893297.

The spelling of 56686470 in words is "fifty-six million, six hundred eighty-six thousand, four hundred seventy".