57257726055 has 16 divisors (see below), whose sum is σ = 91960704000. Its totient is φ = 30421339808.

The previous prime is 57257726021. The next prime is 57257726069. The reversal of 57257726055 is 55062775275.

It is a happy number.

57257726055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57257726055 - 2⁸ = 57257725799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57257725989 and 57257726007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7253055 + ... + 7260944.

It is an arithmetic number, because the mean of its divisors is an integer number (5747544000).

Almost surely, 2^57257726055 is an apocalyptic number.

57257726055 is a deficient number, since it is larger than the sum of its proper divisors (34702977945).

57257726055 is a wasteful number, since it uses less digits than its factorization.

57257726055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14514270.

The product of its (nonzero) digits is 5145000, while the sum is 51.

The spelling of 57257726055 in words is "fifty-seven billion, two hundred fifty-seven million, seven hundred twenty-six thousand, fifty-five".