56745155424 has 96 divisors (see below), whose sum is σ = 150821364960. Its totient is φ = 18678730752.

The previous prime is 56745155407. The next prime is 56745155431. The reversal of 56745155424 is 42455154765.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7489302 + ... + 7496874.

It is an arithmetic number, because the mean of its divisors is an integer number (1571055885).

Almost surely, 2^56745155424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56745155424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75410682480).

56745155424 is an abundant number, since it is smaller than the sum of its proper divisors (94076209536).

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

56745155424 is a wasteful number, since it uses less digits than its factorization.

56745155424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552 (or 8544 counting only the distinct ones).

The product of its digits is 3360000, while the sum is 48.

The spelling of 56745155424 in words is "fifty-six billion, seven hundred forty-five million, one hundred fifty-five thousand, four hundred twenty-four".