56919144 has 16 divisors (see below), whose sum is σ = 142297920. Its totient is φ = 18973040.

The previous prime is 56919133. The next prime is 56919157. The reversal of 56919144 is 44191965.

56919144 = T₃₅₅₂ + T₃₅₅₃ + ... + T₃₅₆₀.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185792 + ... + 1185839.

It is an arithmetic number, because the mean of its divisors is an integer number (8893620).

Almost surely, 2^56919144 is an apocalyptic number.

It is an amenable number.

56919144 is an abundant number, since it is smaller than the sum of its proper divisors (85378776).

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

56919144 is a wasteful number, since it uses less digits than its factorization.

56919144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371640 (or 2371636 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 56919144 is about 7544.4777155215. The cubic root of 56919144 is about 384.6680536774.

The spelling of 56919144 in words is "fifty-six million, nine hundred nineteen thousand, one hundred forty-four".