57421363 has 24 divisors (see below), whose sum is σ = 65696400. Its totient is φ = 49984704.

The previous prime is 57421349. The next prime is 57421369. The reversal of 57421363 is 36312475.

It is a de Polignac number, because none of the positive numbers 2^k-57421363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57421369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291381 + ... + 291577.

It is an arithmetic number, because the mean of its divisors is an integer number (2737350).

Almost surely, 2^57421363 is an apocalyptic number.

57421363 is a deficient number, since it is larger than the sum of its proper divisors (8275037).

57421363 is a wasteful number, since it uses less digits than its factorization.

57421363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 268 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 57421363 is about 7577.6884997999. The cubic root of 57421363 is about 385.7960993675.

The spelling of 57421363 in words is "fifty-seven million, four hundred twenty-one thousand, three hundred sixty-three".