55111877376 has 144 divisors (see below), whose sum is σ = 151783188480. Its totient is φ = 17734164480.

The previous prime is 55111877369. The next prime is 55111877411. The reversal of 55111877376 is 67377811155.

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, 10449076 + ... + 10454348.

It is an arithmetic number, because the mean of its divisors is an integer number (1054049920).

Almost surely, 2^55111877376 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 55111877376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75891594240).

55111877376 is an abundant number, since it is smaller than the sum of its proper divisors (96671311104).

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

55111877376 is a wasteful number, since it uses less digits than its factorization.

55111877376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762 (or 5748 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 51.

The spelling of 55111877376 in words is "fifty-five billion, one hundred eleven million, eight hundred seventy-seven thousand, three hundred seventy-six".