57464309 has 12 divisors (see below), whose sum is σ = 67196844. Its totient is φ = 48996864.

The previous prime is 57464299. The next prime is 57464317. The reversal of 57464309 is 90346475.

It can be written as a sum of positive squares in 2 ways, for example, as 27269284 + 30195025 = 5222^2 + 5495^2 .

It is a de Polignac number, because none of the positive numbers 2^k-57464309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57464339) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6677 + ... + 12629.

It is an arithmetic number, because the mean of its divisors is an integer number (5599737).

Almost surely, 2^57464309 is an apocalyptic number.

It is an amenable number.

57464309 is a deficient number, since it is larger than the sum of its proper divisors (9732535).

57464309 is a wasteful number, since it uses less digits than its factorization.

57464309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6164 (or 6157 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 57464309 is about 7580.5216838948. The cubic root of 57464309 is about 385.8922556270.

The spelling of 57464309 in words is "fifty-seven million, four hundred sixty-four thousand, three hundred nine".