57426420 has 24 divisors (see below), whose sum is σ = 160794144. Its totient is φ = 15313696.

The previous prime is 57426419. The next prime is 57426431. The reversal of 57426420 is 2462475.

57426420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 478494 + ... + 478613.

It is an arithmetic number, because the mean of its divisors is an integer number (6699756).

Almost surely, 2^57426420 is an apocalyptic number.

It is an amenable number.

57426420 is an abundant number, since it is smaller than the sum of its proper divisors (103367724).

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

57426420 is a wasteful number, since it uses less digits than its factorization.

57426420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957119 (or 957117 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 57426420 is about 7578.0221694054. The cubic root of 57426420 is about 385.8074244998.

Adding to 57426420 its reverse (2462475), we get a palindrome (59888895).

The spelling of 57426420 in words is "fifty-seven million, four hundred twenty-six thousand, four hundred twenty".