57402352 has 20 divisors (see below), whose sum is σ = 127105456. Its totient is φ = 24600960.

The previous prime is 57402313. The next prime is 57402361. The reversal of 57402352 is 25320475.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 57402352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256149 + ... + 256372.

Almost surely, 2^57402352 is an apocalyptic number.

It is an amenable number.

57402352 is an abundant number, since it is smaller than the sum of its proper divisors (69703104).

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

57402352 is a wasteful number, since it uses less digits than its factorization.

57402352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512536 (or 512530 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 57402352 is about 7576.4339896814. The cubic root of 57402352 is about 385.7535183557.

The spelling of 57402352 in words is "fifty-seven million, four hundred two thousand, three hundred fifty-two".