56281740 has 48 divisors (see below), whose sum is σ = 162677760. Its totient is φ = 14523840.

The previous prime is 56281739. The next prime is 56281741. The reversal of 56281740 is 4718265.

56281740 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 (56281739) and next prime (56281741).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56281741) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13270 + ... + 16989.

It is an arithmetic number, because the mean of its divisors is an integer number (3389120).

Almost surely, 2^56281740 is an apocalyptic number.

It is an amenable number.

56281740 is an abundant number, since it is smaller than the sum of its proper divisors (106396020).

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

56281740 is a wasteful number, since it uses less digits than its factorization.

56281740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30302 (or 30300 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 56281740 is about 7502.1157015871. The cubic root of 56281740 is about 383.2267697908.

The spelling of 56281740 in words is "fifty-six million, two hundred eighty-one thousand, seven hundred forty".