57291125 has 12 divisors (see below), whose sum is σ = 71605092. Its totient is φ = 45765200.

The previous prime is 57291121. The next prime is 57291149. The reversal of 57291125 is 52119275.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 605284 + 56685841 = 778^2 + 7529^2 .

It is not a de Polignac number, because 57291125 - 2² = 57291121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57291091 and 57291100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57291121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84287 + ... + 84963.

It is an arithmetic number, because the mean of its divisors is an integer number (5967091).

Almost surely, 2^57291125 is an apocalyptic number.

It is an amenable number.

57291125 is a deficient number, since it is larger than the sum of its proper divisors (14313967).

57291125 is an frugal number, since it uses more digits than its factorization.

57291125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 682 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 57291125 is about 7569.0901038368. The cubic root of 57291125 is about 385.5042025019.

The spelling of 57291125 in words is "fifty-seven million, two hundred ninety-one thousand, one hundred twenty-five".