55870174358420 has 24 divisors (see below), whose sum is σ = 117814201707048. Its totient is φ = 22255339161600.

The previous prime is 55870174358417. The next prime is 55870174358459. The reversal of 55870174358420 is 2485347107855.

It can be written as a sum of positive squares in 4 ways, for example, as 1108931151364 + 54761243207056 = 1053058^2 + 7400084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55870174358420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5795656421 + ... + 5795666060.

It is an arithmetic number, because the mean of its divisors is an integer number (4908925071127).

Almost surely, 2^{55870174358420} is an apocalyptic number.

It is an amenable number.

55870174358420 is an abundant number, since it is smaller than the sum of its proper divisors (61944027348628).

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

55870174358420 is a wasteful number, since it uses less digits than its factorization.

55870174358420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11591322731 (or 11591322729 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 59.

The spelling of 55870174358420 in words is "fifty-five trillion, eight hundred seventy billion, one hundred seventy-four million, three hundred fifty-eight thousand, four hundred twenty".