56105231052 has 96 divisors (see below), whose sum is σ = 144949996800. Its totient is φ = 16778333952.

The previous prime is 56105231051. The next prime is 56105231069. The reversal of 56105231052 is 25013250165.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56105231051) 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, 5876899 + ... + 5886437.

It is an arithmetic number, because the mean of its divisors is an integer number (1509895800).

Almost surely, 2^56105231052 is an apocalyptic number.

56105231052 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 56105231052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72474998400).

56105231052 is an abundant number, since it is smaller than the sum of its proper divisors (88844765748).

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

56105231052 is a wasteful number, since it uses less digits than its factorization.

56105231052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10615 (or 10613 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 56105231052 in words is "fifty-six billion, one hundred five million, two hundred thirty-one thousand, fifty-two".