57320936 has 16 divisors (see below), whose sum is σ = 111183300. Its totient is φ = 27672064.

The previous prime is 57320933. The next prime is 57320969. The reversal of 57320936 is 63902375.

It can be written as a sum of positive squares in 2 ways, for example, as 49084036 + 8236900 = 7006^2 + 2870^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57320896 and 57320905.

It is not an unprimeable number, because it can be changed into a prime (57320933) 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, 123305 + ... + 123768.

Almost surely, 2^57320936 is an apocalyptic number.

It is an amenable number.

57320936 is a deficient number, since it is larger than the sum of its proper divisors (53862364).

57320936 is a wasteful number, since it uses less digits than its factorization.

57320936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247108 (or 247104 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 57320936 is about 7571.0591068885. The cubic root of 57320936 is about 385.5710556317.

The spelling of 57320936 in words is "fifty-seven million, three hundred twenty thousand, nine hundred thirty-six".