57239450 has 48 divisors (see below), whose sum is σ = 110647680. Its totient is φ = 22014720.

The previous prime is 57239449. The next prime is 57239471. The reversal of 57239450 is 5493275.

It is a self number, because there is not a number n which added to its sum of digits gives 57239450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169682 + ... + 170018.

It is an arithmetic number, because the mean of its divisors is an integer number (2305160).

Almost surely, 2^57239450 is an apocalyptic number.

57239450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57239450 is a deficient number, since it is larger than the sum of its proper divisors (53408230).

57239450 is a wasteful number, since it uses less digits than its factorization.

57239450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 57239450 is about 7565.6757794661. The cubic root of 57239450 is about 385.3882629502.

The spelling of 57239450 in words is "fifty-seven million, two hundred thirty-nine thousand, four hundred fifty".