57520052 has 24 divisors (see below), whose sum is σ = 105345576. Its totient is φ = 27451008.

The previous prime is 57520037. The next prime is 57520069. The reversal of 57520052 is 25002575.

It can be written as a sum of positive squares in 4 ways, for example, as 8042896 + 49477156 = 2836^2 + 7034^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4178 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (4389399).

Almost surely, 2^57520052 is an apocalyptic number.

It is an amenable number.

57520052 is a deficient number, since it is larger than the sum of its proper divisors (47825524).

57520052 is a wasteful number, since it uses less digits than its factorization.

57520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427 (or 7425 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 57520052 is about 7584.1975185249. The cubic root of 57520052 is about 386.0169929967.

The spelling of 57520052 in words is "fifty-seven million, five hundred twenty thousand, fifty-two".