56442152312 has 128 divisors (see below), whose sum is σ = 134265479040. Its totient is φ = 21645066240.

The previous prime is 56442152311. The next prime is 56442152359. The reversal of 56442152312 is 21325124465.

56442152312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56442152312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56442152311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7565288 + ... + 7572744.

It is an arithmetic number, because the mean of its divisors is an integer number (1048949055).

Almost surely, 2^56442152312 is an apocalyptic number.

56442152312 is a gapful number since it is divisible by the number (52) 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 56442152312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67132739520).

56442152312 is an abundant number, since it is smaller than the sum of its proper divisors (77823326728).

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

56442152312 is a wasteful number, since it uses less digits than its factorization.

56442152312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801 (or 7797 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

Adding to 56442152312 its reverse (21325124465), we get a palindrome (77767276777).

The spelling of 56442152312 in words is "fifty-six billion, four hundred forty-two million, one hundred fifty-two thousand, three hundred twelve".