55120533055 has 8 divisors (see below), whose sum is σ = 75593873952. Its totient is φ = 37796936928.

The previous prime is 55120533047. The next prime is 55120533067. The reversal of 55120533055 is 55033502155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55120533055 - 2³ = 55120533047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55120533055.

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, 787436152 + ... + 787436221.

It is an arithmetic number, because the mean of its divisors is an integer number (9449234244).

Almost surely, 2^55120533055 is an apocalyptic number.

55120533055 is a deficient number, since it is larger than the sum of its proper divisors (20473340897).

55120533055 is a wasteful number, since it uses less digits than its factorization.

55120533055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574872385.

The product of its (nonzero) digits is 56250, while the sum is 34.

The spelling of 55120533055 in words is "fifty-five billion, one hundred twenty million, five hundred thirty-three thousand, fifty-five".