57421346 has 8 divisors (see below), whose sum is σ = 86201280. Its totient is φ = 28687588.

The previous prime is 57421339. The next prime is 57421349. The reversal of 57421346 is 64312475.

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

It is not an unprimeable number, because it can be changed into a prime (57421349) 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, 8246 + ... + 13521.

It is an arithmetic number, because the mean of its divisors is an integer number (10775160).

Almost surely, 2^57421346 is an apocalyptic number.

57421346 is a deficient number, since it is larger than the sum of its proper divisors (28779934).

57421346 is a wasteful number, since it uses less digits than its factorization.

57421346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23088.

The product of its digits is 20160, while the sum is 32.

The square root of 57421346 is about 7577.6873780857. The cubic root of 57421346 is about 385.7960612950.

The spelling of 57421346 in words is "fifty-seven million, four hundred twenty-one thousand, three hundred forty-six".