57421451 has 8 divisors (see below), whose sum is σ = 58826304. Its totient is φ = 56024320.

The previous prime is 57421411. The next prime is 57421493. The reversal of 57421451 is 15412475.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57421451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57421411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14861 + ... + 18321.

It is an arithmetic number, because the mean of its divisors is an integer number (7353288).

Almost surely, 2^57421451 is an apocalyptic number.

57421451 is a deficient number, since it is larger than the sum of its proper divisors (1404853).

57421451 is a wasteful number, since it uses less digits than its factorization.

57421451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861.

The product of its digits is 5600, while the sum is 29.

The square root of 57421451 is about 7577.6943063177. The cubic root of 57421451 is about 385.7962964489.

The spelling of 57421451 in words is "fifty-seven million, four hundred twenty-one thousand, four hundred fifty-one".