57944918 has 8 divisors (see below), whose sum is σ = 88108248. Its totient is φ = 28575504.

The previous prime is 57944911. The next prime is 57944941. The reversal of 57944918 is 81944975.

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

It is a super-2 number, since 2×57944918² = 6715227044053448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57944911) 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, 198296 + ... + 198587.

It is an arithmetic number, because the mean of its divisors is an integer number (11013531).

Almost surely, 2^57944918 is an apocalyptic number.

57944918 is a deficient number, since it is larger than the sum of its proper divisors (30163330).

57944918 is a wasteful number, since it uses less digits than its factorization.

57944918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396958.

The product of its digits is 362880, while the sum is 47.

The square root of 57944918 is about 7612.1559363954. The cubic root of 57944918 is about 386.9650875346.

The spelling of 57944918 in words is "fifty-seven million, nine hundred forty-four thousand, nine hundred eighteen".