56813280 has 48 divisors (see below), whose sum is σ = 178963344. Its totient is φ = 15150080.

The previous prime is 56813261. The next prime is 56813299. The reversal of 56813280 is 8231865.

It is a happy number.

56813280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56813261) and next prime (56813299).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58701 + ... + 59660.

It is an arithmetic number, because the mean of its divisors is an integer number (3728403).

Almost surely, 2^56813280 is an apocalyptic number.

It is an amenable number.

56813280 is an abundant number, since it is smaller than the sum of its proper divisors (122150064).

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

56813280 is a wasteful number, since it uses less digits than its factorization.

56813280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118379 (or 118371 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 56813280 is about 7537.4584575970. The cubic root of 56813280 is about 384.4294241133.

The spelling of 56813280 in words is "fifty-six million, eight hundred thirteen thousand, two hundred eighty".