56499780456 has 96 divisors (see below), whose sum is σ = 178449336000. Its totient is φ = 16142787360.

The previous prime is 56499780433. The next prime is 56499780457. The reversal of 56499780456 is 65408799465.

56499780456 is a `hidden beast` number, since 56 + 49 + 97 + 8 + 0 + 456 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 56499780393 and 56499780402.

It is not an unprimeable number, because it can be changed into a prime (56499780457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1119210 + ... + 1168601.

It is an arithmetic number, because the mean of its divisors is an integer number (1858847250).

Almost surely, 2^56499780456 is an apocalyptic number.

56499780456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56499780456 is an abundant number, since it is smaller than the sum of its proper divisors (121949555544).

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

56499780456 is a wasteful number, since it uses less digits than its factorization.

56499780456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287844 (or 2287823 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 56499780456 in words is "fifty-six billion, four hundred ninety-nine million, seven hundred eighty thousand, four hundred fifty-six".