57428435 has 16 divisors (see below), whose sum is σ = 71089920. Its totient is φ = 44509920.

The previous prime is 57428419. The next prime is 57428453. The reversal of 57428435 is 53482475.

It is a happy number.

It is not a de Polignac number, because 57428435 - 2⁴ = 57428419 is a prime.

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, 27146 + ... + 29184.

It is an arithmetic number, because the mean of its divisors is an integer number (4443120).

Almost surely, 2^57428435 is an apocalyptic number.

57428435 is a deficient number, since it is larger than the sum of its proper divisors (13661485).

57428435 is a wasteful number, since it uses less digits than its factorization.

57428435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218.

The product of its digits is 134400, while the sum is 38.

The square root of 57428435 is about 7578.1551184968. The cubic root of 57428435 is about 385.8119368995.

The spelling of 57428435 in words is "fifty-seven million, four hundred twenty-eight thousand, four hundred thirty-five".