56920144 has 20 divisors (see below), whose sum is σ = 111795796. Its totient is φ = 28069632.

The previous prime is 56920141. The next prime is 56920183. The reversal of 56920144 is 44102965.

It can be written as a sum of positive squares in 2 ways, for example, as 37454400 + 19465744 = 6120^2 + 4412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56920141) 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, 23199 + ... + 25534.

Almost surely, 2^56920144 is an apocalyptic number.

It is an amenable number.

56920144 is a deficient number, since it is larger than the sum of its proper divisors (54875652).

56920144 is a wasteful number, since it uses less digits than its factorization.

56920144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48814 (or 48808 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 56920144 is about 7544.5439888704. The cubic root of 56920144 is about 384.6703063806.

The spelling of 56920144 in words is "fifty-six million, nine hundred twenty thousand, one hundred forty-four".