56555152425664 has 112 divisors (see below), whose sum is σ = 114440527918080. Its totient is φ = 27725812531200.

The previous prime is 56555152425557. The next prime is 56555152425697. The reversal of 56555152425664 is 46652425155565.

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, 552628452 + ... + 552730780.

It is an arithmetic number, because the mean of its divisors is an integer number (1021790427840).

Almost surely, 2^{56555152425664} 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 56555152425664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57220263959040).

56555152425664 is an abundant number, since it is smaller than the sum of its proper divisors (57885375492416).

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

56555152425664 is a wasteful number, since it uses less digits than its factorization.

56555152425664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103266 (or 103256 counting only the distinct ones).

The product of its digits is 216000000, while the sum is 61.

The spelling of 56555152425664 in words is "fifty-six trillion, five hundred fifty-five billion, one hundred fifty-two million, four hundred twenty-five thousand, six hundred sixty-four".