57088022761 has 81 divisors (see below), whose sum is σ = 76311460407. Its totient is φ = 42548832480.

The previous prime is 57088022731. The next prime is 57088022767. The reversal of 57088022761 is 16722088075.

The square root of 57088022761 is 238931.

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

57088022761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29935574361 + 27152448400 = 173019^2 + 164780^2 .

It is not a de Polignac number, because 57088022761 - 2⁷ = 57088022633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57088022767) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 533532870 + ... + 533532976.

Almost surely, 2^57088022761 is an apocalyptic number.

57088022761 is the 238931-st square number.

57088022761 is the 119466-th centered octagonal number.

It is an amenable number.

57088022761 is a deficient number, since it is larger than the sum of its proper divisors (19223437646).

57088022761 is a wasteful number, since it uses less digits than its factorization.

57088022761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 57088022761 in words is "fifty-seven billion, eighty-eight million, twenty-two thousand, seven hundred sixty-one".