56280464 has 40 divisors (see below), whose sum is σ = 112448160. Its totient is φ = 27272448.

The previous prime is 56280463. The next prime is 56280481. The reversal of 56280464 is 46408265.

It is not an unprimeable number, because it can be changed into a prime (56280463) 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, 122924 + ... + 123380.

It is an arithmetic number, because the mean of its divisors is an integer number (2811204).

Almost surely, 2^56280464 is an apocalyptic number.

It is an amenable number.

56280464 is a deficient number, since it is larger than the sum of its proper divisors (56167696).

56280464 is a wasteful number, since it uses less digits than its factorization.

56280464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 56280464 is about 7502.0306584284. The cubic root of 56280464 is about 383.2238736410.

The spelling of 56280464 in words is "fifty-six million, two hundred eighty thousand, four hundred sixty-four".