56423255644032 has 96 divisors (see below), whose sum is σ = 152457573275880. Its totient is φ = 18488975987712.

The previous prime is 56423255644031. The next prime is 56423255644051. The reversal of 56423255644032 is 23044655232465.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56423255644031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19768663 + ... + 22442070.

Almost surely, 2^{56423255644032} is an apocalyptic number.

It is an amenable number.

56423255644032 is an abundant number, since it is smaller than the sum of its proper divisors (96034317631848).

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

56423255644032 is an equidigital number, since it uses as much as digits as its factorization.

56423255644032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42210868 (or 42210797 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 51.

The spelling of 56423255644032 in words is "fifty-six trillion, four hundred twenty-three billion, two hundred fifty-five million, six hundred forty-four thousand, thirty-two".