57264805 has 20 divisors (see below), whose sum is σ = 74629692. Its totient is φ = 42182400.

The previous prime is 57264793. The next prime is 57264811. The reversal of 57264805 is 50846275.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 53012961 + 4251844 = 7281^2 + 2062^2 .

It is not a de Polignac number, because 57264805 - 2⁹ = 57264293 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 142605 + ... + 143005.

Almost surely, 2^57264805 is an apocalyptic number.

It is an amenable number.

57264805 is a deficient number, since it is larger than the sum of its proper divisors (17364887).

57264805 is an frugal number, since it uses more digits than its factorization.

57264805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 57264805 is about 7567.3512539065. The cubic root of 57264805 is about 385.4451588903.

The spelling of 57264805 in words is "fifty-seven million, two hundred sixty-four thousand, eight hundred five".