55186270379 has 4 divisors (see below), whose sum is σ = 55186772760. Its totient is φ = 55185768000.

The previous prime is 55186270367. The next prime is 55186270421. The reversal of 55186270379 is 97307268155.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55186270379 - 2²⁴ = 55169493163 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 55186270379.

It is not an unprimeable number, because it can be changed into a prime (55186270319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7814 + ... + 332315.

It is an arithmetic number, because the mean of its divisors is an integer number (13796693190).

Almost surely, 2^55186270379 is an apocalyptic number.

55186270379 is a deficient number, since it is larger than the sum of its proper divisors (502381).

55186270379 is a wasteful number, since it uses less digits than its factorization.

55186270379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502380.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 55186270379 in words is "fifty-five billion, one hundred eighty-six million, two hundred seventy thousand, three hundred seventy-nine".