57401028 has 48 divisors (see below), whose sum is σ = 149271360. Its totient is φ = 19075392.

The previous prime is 57401017. The next prime is 57401051. The reversal of 57401028 is 82010475.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 57400992 and 57401010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48775 + ... + 49937.

It is an arithmetic number, because the mean of its divisors is an integer number (3109820).

Almost surely, 2^57401028 is an apocalyptic number.

It is an amenable number.

57401028 is an abundant number, since it is smaller than the sum of its proper divisors (91870332).

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

57401028 is a wasteful number, since it uses less digits than its factorization.

57401028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 57401028 is about 7576.3466129791. The cubic root of 57401028 is about 385.7505524982.

The spelling of 57401028 in words is "fifty-seven million, four hundred one thousand, twenty-eight".