56018444 has 12 divisors (see below), whose sum is σ = 100682064. Its totient is φ = 27252144.

The previous prime is 56018437. The next prime is 56018447. The reversal of 56018444 is 44481065.

It is a super-2 number, since 2×56018444² = 6276132136362272, 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 56018444.

It is not an unprimeable number, because it can be changed into a prime (56018447) 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, 189104 + ... + 189399.

It is an arithmetic number, because the mean of its divisors is an integer number (8390172).

Almost surely, 2^56018444 is an apocalyptic number.

It is an amenable number.

56018444 is a deficient number, since it is larger than the sum of its proper divisors (44663620).

56018444 is a wasteful number, since it uses less digits than its factorization.

56018444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378544 (or 378542 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 56018444 is about 7484.5470136809. The cubic root of 56018444 is about 382.6282344473.

The spelling of 56018444 in words is "fifty-six million, eighteen thousand, four hundred forty-four".