56605326456 has 384 divisors, whose sum is σ = 175165286400. Its totient is φ = 15179028480.

The previous prime is 56605326439. The next prime is 56605326469. The reversal of 56605326456 is 65462350665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 182010541 + ... + 182010851.

It is an arithmetic number, because the mean of its divisors is an integer number (456159600).

Almost surely, 2^56605326456 is an apocalyptic number.

56605326456 is a gapful number since it is divisible by the number (56) 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 56605326456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87582643200).

56605326456 is an abundant number, since it is smaller than the sum of its proper divisors (118559959944).

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

56605326456 is a wasteful number, since it uses less digits than its factorization.

56605326456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 56605326456 in words is "fifty-six billion, six hundred five million, three hundred twenty-six thousand, four hundred fifty-six".