57442635 has 16 divisors (see below), whose sum is σ = 102120480. Its totient is φ = 30636000.

The previous prime is 57442613. The next prime is 57442657. The reversal of 57442635 is 53624475.

It is an interprime number because it is at equal distance from previous prime (57442613) and next prime (57442657).

It is not a de Polignac number, because 57442635 - 2⁶ = 57442571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57442635.

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, 212616 + ... + 212885.

It is an arithmetic number, because the mean of its divisors is an integer number (6382530).

Almost surely, 2^57442635 is an apocalyptic number.

57442635 is a deficient number, since it is larger than the sum of its proper divisors (44677845).

57442635 is a wasteful number, since it uses less digits than its factorization.

57442635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425515 (or 425509 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 57442635 is about 7579.0919640812. The cubic root of 57442635 is about 385.8437334477.

The spelling of 57442635 in words is "fifty-seven million, four hundred forty-two thousand, six hundred thirty-five".