56337918 has 32 divisors (see below), whose sum is σ = 138679296. Its totient is φ = 14858208.

The previous prime is 56337917. The next prime is 56337929. The reversal of 56337918 is 81973365.

It is a super-2 number, since 2×56337918² = 6347922009149448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56337918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56337917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51046 + ... + 52137.

It is an arithmetic number, because the mean of its divisors is an integer number (4333728).

Almost surely, 2^56337918 is an apocalyptic number.

56337918 is an abundant number, since it is smaller than the sum of its proper divisors (82341378).

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

56337918 is a wasteful number, since it uses less digits than its factorization.

56337918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103208.

The product of its digits is 136080, while the sum is 42.

The square root of 56337918 is about 7505.8589115437. The cubic root of 56337918 is about 383.3542341891.

The spelling of 56337918 in words is "fifty-six million, three hundred thirty-seven thousand, nine hundred eighteen".