56446355472 has 80 divisors (see below), whose sum is σ = 157914267840. Its totient is φ = 17271046656.

The previous prime is 56446355437. The next prime is 56446355477. The reversal of 56446355472 is 27455364465.

It is a super-4 number, since 4×56446355472⁴ (a number of 44 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (51) 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 (56446355477) 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, 140983 + ... + 364374.

It is an arithmetic number, because the mean of its divisors is an integer number (1973928348).

Almost surely, 2^56446355472 is an apocalyptic number.

56446355472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56446355472 is an abundant number, since it is smaller than the sum of its proper divisors (101467912368).

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

56446355472 is a wasteful number, since it uses less digits than its factorization.

56446355472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505560 (or 505554 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 51.

The spelling of 56446355472 in words is "fifty-six billion, four hundred forty-six million, three hundred fifty-five thousand, four hundred seventy-two".