57452618 has 8 divisors (see below), whose sum is σ = 90714720. Its totient is φ = 27214380.

The previous prime is 57452617. The next prime is 57452623. The reversal of 57452618 is 81625475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1511911 = 57452618 / (5 + 7 + 4 + 5 + 2 + 6 + 1 + 8).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57452617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755918 + ... + 755993.

It is an arithmetic number, because the mean of its divisors is an integer number (11339340).

Almost surely, 2^57452618 is an apocalyptic number.

57452618 is a deficient number, since it is larger than the sum of its proper divisors (33262102).

57452618 is a wasteful number, since it uses less digits than its factorization.

57452618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511932.

The product of its digits is 67200, while the sum is 38.

The square root of 57452618 is about 7579.7505235990. The cubic root of 57452618 is about 385.8660841800.

The spelling of 57452618 in words is "fifty-seven million, four hundred fifty-two thousand, six hundred eighteen".