57009202756 has 27 divisors (see below), whose sum is σ = 109670369053. Its totient is φ = 25910886320.

The previous prime is 57009202729. The next prime is 57009202799. The reversal of 57009202756 is 65720290075.

The square root of 57009202756 is 238766.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 30705552900 + 26303649856 = 175230^2 + 162184^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5247426 + ... + 5258278.

Almost surely, 2^57009202756 is an apocalyptic number.

57009202756 is the 238766-th square number.

It is an amenable number.

57009202756 is a deficient number, since it is larger than the sum of its proper divisors (52661166297).

57009202756 is an equidigital number, since it uses as much as digits as its factorization.

57009202756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21732 (or 10866 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 57009202756 in words is "fifty-seven billion, nine million, two hundred two thousand, seven hundred fifty-six".