56537670 has 48 divisors (see below), whose sum is σ = 157848048. Its totient is φ = 12922560.

The previous prime is 56537669. The next prime is 56537671. The reversal of 56537670 is 7673565.

It is an interprime number because it is at equal distance from previous prime (56537669) and next prime (56537671).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56537671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17761 + ... + 20700.

It is an arithmetic number, because the mean of its divisors is an integer number (3288501).

Almost surely, 2^56537670 is an apocalyptic number.

56537670 is an abundant number, since it is smaller than the sum of its proper divisors (101310378).

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

56537670 is a wasteful number, since it uses less digits than its factorization.

56537670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38485 (or 38478 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 56537670 is about 7519.1535427866. The cubic root of 56537670 is about 383.8067739886.

The spelling of 56537670 in words is "fifty-six million, five hundred thirty-seven thousand, six hundred seventy".