56307144 has 32 divisors (see below), whose sum is σ = 140980320. Its totient is φ = 18740736.

The previous prime is 56307143. The next prime is 56307149. The reversal of 56307144 is 44170365.

It is not an unprimeable number, because it can be changed into a prime (56307143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19864 + ... + 22520.

It is an arithmetic number, because the mean of its divisors is an integer number (4405635).

Almost surely, 2^56307144 is an apocalyptic number.

It is an amenable number.

56307144 is an abundant number, since it is smaller than the sum of its proper divisors (84673176).

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

56307144 is a wasteful number, since it uses less digits than its factorization.

56307144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 56307144 is about 7503.8086329543. The cubic root of 56307144 is about 383.2844203921.

The spelling of 56307144 in words is "fifty-six million, three hundred seven thousand, one hundred forty-four".