57388463 has 4 divisors (see below), whose sum is σ = 62605608. Its totient is φ = 52171320.

The previous prime is 57388459. The next prime is 57388469. The reversal of 57388463 is 36488375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57388463 - 2² = 57388459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57388469) 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, 2608556 + ... + 2608577.

It is an arithmetic number, because the mean of its divisors is an integer number (15651402).

Almost surely, 2^57388463 is an apocalyptic number.

57388463 is a deficient number, since it is larger than the sum of its proper divisors (5217145).

57388463 is a wasteful number, since it uses less digits than its factorization.

57388463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217144.

The product of its digits is 483840, while the sum is 44.

The square root of 57388463 is about 7575.5173420698. The cubic root of 57388463 is about 385.7224037027.

The spelling of 57388463 in words is "fifty-seven million, three hundred eighty-eight thousand, four hundred sixty-three".