57557123 has 16 divisors (see below), whose sum is σ = 63201600. Its totient is φ = 52099200.

The previous prime is 57557117. The next prime is 57557131. The reversal of 57557123 is 32175575.

It is a cyclic number.

It is not a de Polignac number, because 57557123 - 2⁴ = 57557107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57557323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213833 + ... + 214101.

It is an arithmetic number, because the mean of its divisors is an integer number (3950100).

Almost surely, 2^57557123 is an apocalyptic number.

57557123 is a deficient number, since it is larger than the sum of its proper divisors (5644477).

57557123 is a wasteful number, since it uses less digits than its factorization.

57557123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its digits is 36750, while the sum is 35.

The square root of 57557123 is about 7586.6410881233. The cubic root of 57557123 is about 386.0999029984.

The spelling of 57557123 in words is "fifty-seven million, five hundred fifty-seven thousand, one hundred twenty-three".