56555665150712 has 128 divisors (see below), whose sum is σ = 131490629424000. Its totient is φ = 22206321082368.

The previous prime is 56555665150697. The next prime is 56555665150729. The reversal of 56555665150712 is 21705156655565.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140487188 + ... + 140889180.

It is an arithmetic number, because the mean of its divisors is an integer number (1027270542375).

Almost surely, 2^{56555665150712} is an apocalyptic number.

56555665150712 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 56555665150712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65745314712000).

56555665150712 is an abundant number, since it is smaller than the sum of its proper divisors (74934964273288).

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

56555665150712 is a wasteful number, since it uses less digits than its factorization.

56555665150712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403465 (or 403461 counting only the distinct ones).

The product of its (nonzero) digits is 47250000, while the sum is 59.

The spelling of 56555665150712 in words is "fifty-six trillion, five hundred fifty-five billion, six hundred sixty-five million, one hundred fifty thousand, seven hundred twelve".