56554280 has 32 divisors (see below), whose sum is σ = 127461600. Its totient is φ = 22583616.

The previous prime is 56554247. The next prime is 56554297. The reversal of 56554280 is 8245565.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56554280.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44291 + ... + 45549.

It is an arithmetic number, because the mean of its divisors is an integer number (3983175).

Almost surely, 2^56554280 is an apocalyptic number.

It is an amenable number.

56554280 is an abundant number, since it is smaller than the sum of its proper divisors (70907320).

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

56554280 is a wasteful number, since it uses less digits than its factorization.

56554280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 56554280 is about 7520.2579742985. The cubic root of 56554280 is about 383.8443560486.

It can be divided in two parts, 565 and 54280, that added together give a palindrome (54845).

The spelling of 56554280 in words is "fifty-six million, five hundred fifty-four thousand, two hundred eighty".