56293690 has 16 divisors (see below), whose sum is σ = 102011400. Its totient is φ = 22365760.

The previous prime is 56293651. The next prime is 56293693. The reversal of 56293690 is 9639265.

It can be written as a sum of positive squares in 4 ways, for example, as 43283241 + 13010449 = 6579^2 + 3607^2 .

It is a super-2 number, since 2×56293690² = 6337959067632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56293693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17401 + ... + 20380.

Almost surely, 2^56293690 is an apocalyptic number.

56293690 is a deficient number, since it is larger than the sum of its proper divisors (45717710).

56293690 is a wasteful number, since it uses less digits than its factorization.

56293690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37937.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 56293690 is about 7502.9121013111. The cubic root of 56293690 is about 383.2538906997.

The spelling of 56293690 in words is "fifty-six million, two hundred ninety-three thousand, six hundred ninety".