57105711553 has 32 divisors (see below), whose sum is σ = 64312786944. Its totient is φ = 50255760000.

The previous prime is 57105711503. The next prime is 57105711557. The reversal of 57105711553 is 35511750175.

It is a cyclic number.

It is not a de Polignac number, because 57105711553 - 2²¹ = 57103614401 is a prime.

It is a super-2 number, since 2×57105711553² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57105711557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55388148 + ... + 55389178.

It is an arithmetic number, because the mean of its divisors is an integer number (2009774592).

Almost surely, 2^57105711553 is an apocalyptic number.

It is an amenable number.

57105711553 is a deficient number, since it is larger than the sum of its proper divisors (7207075391).

57105711553 is a wasteful number, since it uses less digits than its factorization.

57105711553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917.

The product of its (nonzero) digits is 91875, while the sum is 40.

The spelling of 57105711553 in words is "fifty-seven billion, one hundred five million, seven hundred eleven thousand, five hundred fifty-three".