55909955152 has 20 divisors (see below), whose sum is σ = 112060902420. Its totient is φ = 26991012608.

The previous prime is 55909955149. The next prime is 55909955243. The reversal of 55909955152 is 25155990955.

It can be written as a sum of positive squares in 2 ways, for example, as 33864832576 + 22045122576 = 184024^2 + 148476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55909955093 and 55909955102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60247333 + ... + 60248260.

It is an arithmetic number, because the mean of its divisors is an integer number (5603045121).

Almost surely, 2^55909955152 is an apocalyptic number.

It is an amenable number.

55909955152 is an abundant number, since it is smaller than the sum of its proper divisors (56150947268).

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

55909955152 is a wasteful number, since it uses less digits than its factorization.

55909955152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120495630 (or 120495624 counting only the distinct ones).

The product of its (nonzero) digits is 4556250, while the sum is 55.

The spelling of 55909955152 in words is "fifty-five billion, nine hundred nine million, nine hundred fifty-five thousand, one hundred fifty-two".