55677725568 has 160 divisors (see below), whose sum is σ = 165855004920. Its totient is φ = 18541440000.

The previous prime is 55677725567. The next prime is 55677725569. The reversal of 55677725568 is 86552777655.

55677725568 is a `hidden beast` number, since 5 + 5 + 6 + 7 + 7 + 72 + 556 + 8 = 666.

55677725568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55677725567) and next prime (55677725569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55677725563) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15042118 + ... + 15045818.

Almost surely, 2^55677725568 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 55677725568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82927502460).

55677725568 is an abundant number, since it is smaller than the sum of its proper divisors (110177279352).

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

55677725568 is a wasteful number, since it uses less digits than its factorization.

55677725568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178 (or 5157 counting only the distinct ones).

The product of its digits is 123480000, while the sum is 63.

The spelling of 55677725568 in words is "fifty-five billion, six hundred seventy-seven million, seven hundred twenty-five thousand, five hundred sixty-eight".