55311175680 has 416 divisors, whose sum is σ = 188248838400. Its totient is φ = 13839630336.

The previous prime is 55311175679. The next prime is 55311175691. The reversal of 55311175680 is 8657111355.

It is a happy 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, 65924701 + ... + 65925539.

Almost surely, 2^55311175680 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 55311175680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94124419200).

55311175680 is an abundant number, since it is smaller than the sum of its proper divisors (132937662720).

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

55311175680 is a wasteful number, since it uses less digits than its factorization.

55311175680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 55311175680 in words is "fifty-five billion, three hundred eleven million, one hundred seventy-five thousand, six hundred eighty".