55043052155 has 48 divisors (see below), whose sum is σ = 87101189280. Its totient is φ = 33006693888.

The previous prime is 55043052151. The next prime is 55043052161. The reversal of 55043052155 is 55125034055.

55043052155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55043052155 - 2² = 55043052151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (55043052151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394274 + ... + 515303.

It is an arithmetic number, because the mean of its divisors is an integer number (1814608110).

Almost surely, 2^55043052155 is an apocalyptic number.

55043052155 is a deficient number, since it is larger than the sum of its proper divisors (32058137125).

55043052155 is a wasteful number, since it uses less digits than its factorization.

55043052155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909628 (or 909621 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 55043052155 in words is "fifty-five billion, forty-three million, fifty-two thousand, one hundred fifty-five".