57475818 has 56 divisors (see below), whose sum is σ = 131160000. Its totient is φ = 18878184.

The previous prime is 57475811. The next prime is 57475823. The reversal of 57475818 is 81857475.

It is a happy number.

57475818 is a `hidden beast` number, since 574 + 75 + 8 + 1 + 8 = 666.

57475818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57475811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 114933 + ... + 115431.

Almost surely, 2^57475818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57475818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65580000).

57475818 is an abundant number, since it is smaller than the sum of its proper divisors (73684182).

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

57475818 is an equidigital number, since it uses as much as digits as its factorization.

57475818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 583 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 57475818 is about 7581.2807625097. The cubic root of 57475818 is about 385.9180161822.

The spelling of 57475818 in words is "fifty-seven million, four hundred seventy-five thousand, eight hundred eighteen".