57444942 has 32 divisors (see below), whose sum is σ = 124214400. Its totient is φ = 17648928.

The previous prime is 57444931. The next prime is 57444943. The reversal of 57444942 is 24944475.

57444942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57444942² = 6599842722766728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57444942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57444943) 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 15 ways as a sum of consecutive naturals, for example, 2592 + ... + 11027.

It is an arithmetic number, because the mean of its divisors is an integer number (3881700).

Almost surely, 2^57444942 is an apocalyptic number.

57444942 is an abundant number, since it is smaller than the sum of its proper divisors (66769458).

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

57444942 is a wasteful number, since it uses less digits than its factorization.

57444942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13680.

The product of its digits is 161280, while the sum is 39.

The square root of 57444942 is about 7579.2441575661. The cubic root of 57444942 is about 385.8488987724.

The spelling of 57444942 in words is "fifty-seven million, four hundred forty-four thousand, nine hundred forty-two".