57557050 has 12 divisors (see below), whose sum is σ = 107056206. Its totient is φ = 23022800.

The previous prime is 57557047. The next prime is 57557057. The reversal of 57557050 is 5075575.

It can be written as a sum of positive squares in 3 ways, for example, as 54922921 + 2634129 = 7411^2 + 1623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57556997 and 57557015.

It is not an unprimeable number, because it can be changed into a prime (57557057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575521 + ... + 575620.

Almost surely, 2^57557050 is an apocalyptic number.

57557050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57557050 is a deficient number, since it is larger than the sum of its proper divisors (49499156).

57557050 is a wasteful number, since it uses less digits than its factorization.

57557050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151153 (or 1151148 counting only the distinct ones).

The product of its (nonzero) digits is 30625, while the sum is 34.

The square root of 57557050 is about 7586.6362770335. The cubic root of 57557050 is about 386.0997397675.

The spelling of 57557050 in words is "fifty-seven million, five hundred fifty-seven thousand, fifty".