57709625 has 8 divisors (see below), whose sum is σ = 72021768. Its totient is φ = 46167600.

The previous prime is 57709621. The next prime is 57709699. The reversal of 57709625 is 52690775.

It can be written as a sum of positive squares in 4 ways, for example, as 3892729 + 53816896 = 1973^2 + 7336^2 .

It is not a de Polignac number, because 57709625 - 2² = 57709621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57709621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230714 + ... + 230963.

It is an arithmetic number, because the mean of its divisors is an integer number (9002721).

Almost surely, 2^57709625 is an apocalyptic number.

It is an amenable number.

57709625 is a deficient number, since it is larger than the sum of its proper divisors (14312143).

57709625 is an equidigital number, since it uses as much as digits as its factorization.

57709625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461692 (or 461682 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 57709625 is about 7596.6851323456. The cubic root of 57709625 is about 386.4406026808.

The spelling of 57709625 in words is "fifty-seven million, seven hundred nine thousand, six hundred twenty-five".