57421416 has 32 divisors (see below), whose sum is σ = 154596960. Its totient is φ = 17668032.

The previous prime is 57421411. The next prime is 57421493. The reversal of 57421416 is 61412475.

57421416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91710 + ... + 92333.

It is an arithmetic number, because the mean of its divisors is an integer number (4831155).

Almost surely, 2^57421416 is an apocalyptic number.

It is an amenable number.

57421416 is an abundant number, since it is smaller than the sum of its proper divisors (97175544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57421416 is a wasteful number, since it uses less digits than its factorization.

57421416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184065 (or 184061 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 57421416 is about 7577.6919969078. The cubic root of 57421416 is about 385.7962180643.

The spelling of 57421416 in words is "fifty-seven million, four hundred twenty-one thousand, four hundred sixteen".