55163270877 has 16 divisors (see below), whose sum is σ = 86409599808. Its totient is φ = 30860570880.

The previous prime is 55163270861. The next prime is 55163270891. The reversal of 55163270877 is 77807236155.

It is not a de Polignac number, because 55163270877 - 2⁴ = 55163270861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55163270177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64292428 + ... + 64293285.

It is an arithmetic number, because the mean of its divisors is an integer number (5400599988).

Almost surely, 2^55163270877 is an apocalyptic number.

It is an amenable number.

55163270877 is a deficient number, since it is larger than the sum of its proper divisors (31246328931).

55163270877 is a wasteful number, since it uses less digits than its factorization.

55163270877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128585740.

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 55163270877 in words is "fifty-five billion, one hundred sixty-three million, two hundred seventy thousand, eight hundred seventy-seven".