57421882 has 16 divisors (see below), whose sum is σ = 99395712. Its totient is φ = 24369840.

The previous prime is 57421879. The next prime is 57421883. The reversal of 57421882 is 28812475.

It is not an unprimeable number, because it can be changed into a prime (57421883) 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, 18469 + ... + 21352.

It is an arithmetic number, because the mean of its divisors is an integer number (6212232).

Almost surely, 2^57421882 is an apocalyptic number.

57421882 is a deficient number, since it is larger than the sum of its proper divisors (41973830).

57421882 is a wasteful number, since it uses less digits than its factorization.

57421882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39933.

The product of its digits is 35840, while the sum is 37.

The square root of 57421882 is about 7577.7227449940. The cubic root of 57421882 is about 385.7972616967.

The spelling of 57421882 in words is "fifty-seven million, four hundred twenty-one thousand, eight hundred eighty-two".