57030075 has 30 divisors (see below), whose sum is σ = 105643164. Its totient is φ = 30414960.

The previous prime is 57030073. The next prime is 57030079. The reversal of 57030075 is 57003075.

It is not a de Polignac number, because 57030075 - 2¹ = 57030073 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (57030073) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 12057 + ... + 16106.

Almost surely, 2^57030075 is an apocalyptic number.

57030075 is a deficient number, since it is larger than the sum of its proper divisors (48613089).

57030075 is a wasteful number, since it uses less digits than its factorization.

57030075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28185 (or 28171 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 27.

The square root of 57030075 is about 7551.8259381424. The cubic root of 57030075 is about 384.9177875843.

Subtracting from 57030075 its reverse (57003075), we obtain a cube (27000 = 30³).

The spelling of 57030075 in words is "fifty-seven million, thirty thousand, seventy-five".