56195690 has 16 divisors (see below), whose sum is σ = 101251080. Its totient is φ = 22456320.

The previous prime is 56195683. The next prime is 56195723. The reversal of 56195690 is 9659165.

It can be written as a sum of positive squares in 4 ways, for example, as 37368769 + 18826921 = 6113^2 + 4339^2 .

It is a super-2 number, since 2×56195690² = 6315911149152200, which contains 22 as substring.

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, 11546 + ... + 15674.

Almost surely, 2^56195690 is an apocalyptic number.

56195690 is a deficient number, since it is larger than the sum of its proper divisors (45055390).

56195690 is a wasteful number, since it uses less digits than its factorization.

56195690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 56195690 is about 7496.3784589627. The cubic root of 56195690 is about 383.0313631101.

The spelling of 56195690 in words is "fifty-six million, one hundred ninety-five thousand, six hundred ninety".