57496309 has 8 divisors (see below), whose sum is σ = 63429912. Its totient is φ = 51778560.

The previous prime is 57496303. The next prime is 57496339. The reversal of 57496309 is 90369475.

It can be written as a sum of positive squares in 4 ways, for example, as 3694084 + 53802225 = 1922^2 + 7335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57496309 - 2¹⁹ = 56972021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57496303) 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, 53404 + ... + 54469.

It is an arithmetic number, because the mean of its divisors is an integer number (7928739).

Almost surely, 2^57496309 is an apocalyptic number.

It is an amenable number.

57496309 is a deficient number, since it is larger than the sum of its proper divisors (5933603).

57496309 is a wasteful number, since it uses less digits than its factorization.

57496309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107927.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 57496309 is about 7582.6320628130. The cubic root of 57496309 is about 385.9638726065.

The spelling of 57496309 in words is "fifty-seven million, four hundred ninety-six thousand, three hundred nine".