56800280 has 32 divisors (see below), whose sum is σ = 128530800. Its totient is φ = 22590336.

The previous prime is 56800273. The next prime is 56800283. The reversal of 56800280 is 8200865.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56800283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3194 + ... + 11126.

Almost surely, 2^56800280 is an apocalyptic number.

It is an amenable number.

56800280 is an abundant number, since it is smaller than the sum of its proper divisors (71730520).

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

56800280 is a wasteful number, since it uses less digits than its factorization.

56800280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123 (or 8119 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 56800280 is about 7536.5960486151. The cubic root of 56800280 is about 384.4001001962.

The spelling of 56800280 in words is "fifty-six million, eight hundred thousand, two hundred eighty".