56446943364 has 540 divisors, whose sum is σ = 184904048784. Its totient is φ = 15050829024.

The previous prime is 56446943339. The next prime is 56446943369. The reversal of 56446943364 is 46334964465.

56446943364 is a `hidden beast` number, since 56 + 44 + 69 + 433 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 56446943364.

It is not an unprimeable number, because it can be changed into a prime (56446943369) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 842491659 + ... + 842491725.

Almost surely, 2^56446943364 is an apocalyptic number.

56446943364 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56446943364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92452024392).

56446943364 is an abundant number, since it is smaller than the sum of its proper divisors (128457105420).

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

56446943364 is an equidigital number, since it uses as much as digits as its factorization.

56446943364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 98 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 54.

The spelling of 56446943364 in words is "fifty-six billion, four hundred forty-six million, nine hundred forty-three thousand, three hundred sixty-four".