56690194 has 24 divisors (see below), whose sum is σ = 94778460. Its totient is φ = 25407360.

The previous prime is 56690191. The next prime is 56690201. The reversal of 56690194 is 49109665.

It can be written as a sum of positive squares in 2 ways, for example, as 56445169 + 245025 = 7513^2 + 495^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56690191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16062 + ... + 19270.

It is the magic constant of a 484 × 484 magic square.

Almost surely, 2^56690194 is an apocalyptic number.

56690194 is a deficient number, since it is larger than the sum of its proper divisors (38088266).

56690194 is a wasteful number, since it uses less digits than its factorization.

56690194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 56690194 is about 7529.2890766659. The cubic root of 56690194 is about 384.1516012012.

The spelling of 56690194 in words is "fifty-six million, six hundred ninety thousand, one hundred ninety-four".