57182340 has 24 divisors (see below), whose sum is σ = 160110720. Its totient is φ = 15248608.

The previous prime is 57182327. The next prime is 57182399. The reversal of 57182340 is 4328175.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 57182298 and 57182307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476460 + ... + 476579.

It is an arithmetic number, because the mean of its divisors is an integer number (6671280).

Almost surely, 2^57182340 is an apocalyptic number.

It is an amenable number.

57182340 is an abundant number, since it is smaller than the sum of its proper divisors (102928380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57182340 is a wasteful number, since it uses less digits than its factorization.

57182340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953051 (or 953049 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 57182340 is about 7561.9005547547. The cubic root of 57182340 is about 385.2600480700.

The spelling of 57182340 in words is "fifty-seven million, one hundred eighty-two thousand, three hundred forty".