56757136 has 10 divisors (see below), whose sum is σ = 109966982. Its totient is φ = 28378560.

The previous prime is 56757133. The next prime is 56757137. The reversal of 56757136 is 63175765.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 20757136 = 6000^2 + 4556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56757131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1773645 + ... + 1773676.

Almost surely, 2^56757136 is an apocalyptic number.

It is an amenable number.

56757136 is a deficient number, since it is larger than the sum of its proper divisors (53209846).

56757136 is a wasteful number, since it uses less digits than its factorization.

56757136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547329 (or 3547323 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 56757136 is about 7533.7332047266. The cubic root of 56757136 is about 384.3027488055.

The spelling of 56757136 in words is "fifty-six million, seven hundred fifty-seven thousand, one hundred thirty-six".