57046530 has 16 divisors (see below), whose sum is σ = 136911744. Its totient is φ = 15212400.

The previous prime is 57046523. The next prime is 57046537. The reversal of 57046530 is 3564075.

It is an interprime number because it is at equal distance from previous prime (57046523) and next prime (57046537).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1901551 = 57046530 / (5 + 7 + 0 + 4 + 6 + 5 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (57046537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950746 + ... + 950805.

It is an arithmetic number, because the mean of its divisors is an integer number (8556984).

Almost surely, 2^57046530 is an apocalyptic number.

57046530 is an abundant number, since it is smaller than the sum of its proper divisors (79865214).

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

57046530 is a wasteful number, since it uses less digits than its factorization.

57046530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901561.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 57046530 is about 7552.9153311817. The cubic root of 57046530 is about 384.9548043871.

The spelling of 57046530 in words is "fifty-seven million, forty-six thousand, five hundred thirty".