57507557555328 has 64 divisors (see below), whose sum is σ = 156480168085920. Its totient is φ = 18701644728320.

The previous prime is 57507557555293. The next prime is 57507557555339. The reversal of 57507557555328 is 82355575570575.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826316750 + ... + 1826348237.

Almost surely, 2^{57507557555328} is an apocalyptic number.

It is an amenable number.

57507557555328 is an abundant number, since it is smaller than the sum of its proper divisors (98972610530592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57507557555328 is a wasteful number, since it uses less digits than its factorization.

57507557555328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652665045 (or 3652665033 counting only the distinct ones).

The product of its (nonzero) digits is 1286250000, while the sum is 69.

The spelling of 57507557555328 in words is "fifty-seven trillion, five hundred seven billion, five hundred fifty-seven million, five hundred fifty-five thousand, three hundred twenty-eight".