55892998656 has 240 divisors, whose sum is σ = 177263966880. Its totient is φ = 16813301760.

The previous prime is 55892998621. The next prime is 55892998661. The reversal of 55892998656 is 65689929855.

55892998656 is a `hidden beast` number, since 558 + 9 + 2 + 9 + 9 + 8 + 65 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7041666 + ... + 7049598.

It is an arithmetic number, because the mean of its divisors is an integer number (738599862).

Almost surely, 2^55892998656 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 55892998656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88631983440).

55892998656 is an abundant number, since it is smaller than the sum of its proper divisors (121370968224).

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

55892998656 is a wasteful number, since it uses less digits than its factorization.

55892998656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107 (or 8088 counting only the distinct ones).

The product of its digits is 419904000, while the sum is 72.

It can be divided in two parts, 5589299 and 8656, that added together give a palindrome (5597955).

The spelling of 55892998656 in words is "fifty-five billion, eight hundred ninety-two million, nine hundred ninety-eight thousand, six hundred fifty-six".