57409936 has 20 divisors (see below), whose sum is σ = 113599872. Its totient is φ = 28093856.

The previous prime is 57409931. The next prime is 57409939. The reversal of 57409936 is 63990475.

It is a junction number, because it is equal to n+sod(n) for n = 57409892 and 57409901.

It is not an unprimeable number, because it can be changed into a prime (57409931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37420 + ... + 38923.

Almost surely, 2^57409936 is an apocalyptic number.

It is an amenable number.

57409936 is a deficient number, since it is larger than the sum of its proper divisors (56189936).

57409936 is a wasteful number, since it uses less digits than its factorization.

57409936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76398 (or 76392 counting only the distinct ones).

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

The square root of 57409936 is about 7576.9344724631. The cubic root of 57409936 is about 385.7705061953.

The spelling of 57409936 in words is "fifty-seven million, four hundred nine thousand, nine hundred thirty-six".