56452233520 has 80 divisors (see below), whose sum is σ = 134443707552. Its totient is φ = 22032783360.

The previous prime is 56452233479. The next prime is 56452233559. The reversal of 56452233520 is 2533225465.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×56452233520² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56452233520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3504204 + ... + 3520276.

Almost surely, 2^56452233520 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 56452233520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67221853776).

56452233520 is an abundant number, since it is smaller than the sum of its proper divisors (77991474032).

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

56452233520 is a wasteful number, since it uses less digits than its factorization.

56452233520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17150 (or 17144 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 56452233520 its reverse (2533225465), we get a palindrome (58985458985).

The spelling of 56452233520 in words is "fifty-six billion, four hundred fifty-two million, two hundred thirty-three thousand, five hundred twenty".