57255055505 has 16 divisors (see below), whose sum is σ = 68815939584. Its totient is φ = 45730863360.

The previous prime is 57255055493. The next prime is 57255055513. The reversal of 57255055505 is 50555055275.

It is not a de Polignac number, because 57255055505 - 2⁶ = 57255055441 is a prime.

It is a Duffinian 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, 10401584 + ... + 10407086.

It is an arithmetic number, because the mean of its divisors is an integer number (4300996224).

Almost surely, 2^57255055505 is an apocalyptic number.

It is an amenable number.

57255055505 is a deficient number, since it is larger than the sum of its proper divisors (11560884079).

57255055505 is a wasteful number, since it uses less digits than its factorization.

57255055505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8456.

The product of its (nonzero) digits is 1093750, while the sum is 44.

The spelling of 57255055505 in words is "fifty-seven billion, two hundred fifty-five million, fifty-five thousand, five hundred five".