56321255144 has 32 divisors (see below), whose sum is σ = 131660078400. Its totient is φ = 21943345920.

The previous prime is 56321255143. The next prime is 56321255147. The reversal of 56321255144 is 44155212365.

It is a junction number, because it is equal to n+sod(n) for n = 56321255098 and 56321255107.

It is not an unprimeable number, because it can be changed into a prime (56321255141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45714689 + ... + 45715920.

It is an arithmetic number, because the mean of its divisors is an integer number (4114377450).

Almost surely, 2^56321255144 is an apocalyptic number.

It is an amenable number.

56321255144 is an abundant number, since it is smaller than the sum of its proper divisors (75338823256).

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

56321255144 is a wasteful number, since it uses less digits than its factorization.

56321255144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91430633 (or 91430629 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The spelling of 56321255144 in words is "fifty-six billion, three hundred twenty-one million, two hundred fifty-five thousand, one hundred forty-four".