55611056670 has 128 divisors (see below), whose sum is σ = 144814860288. Its totient is φ = 13586227200.

The previous prime is 55611056663. The next prime is 55611056689. The reversal of 55611056670 is 7665011655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61043515 + ... + 61044425.

It is an arithmetic number, because the mean of its divisors is an integer number (1131366096).

Almost surely, 2^55611056670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55611056670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72407430144).

55611056670 is an abundant number, since it is smaller than the sum of its proper divisors (89203803618).

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

55611056670 is a wasteful number, since it uses less digits than its factorization.

55611056670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 55611056670 in words is "fifty-five billion, six hundred eleven million, fifty-six thousand, six hundred seventy".