55117301251 has 4 divisors (see below), whose sum is σ = 55136732112. Its totient is φ = 55097870392.

The previous prime is 55117301249. The next prime is 55117301257. The reversal of 55117301251 is 15210371155.

55117301251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55117301251 - 2¹ = 55117301249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55117301257) 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, 9711175 + ... + 9716848.

It is an arithmetic number, because the mean of its divisors is an integer number (13784183028).

Almost surely, 2^55117301251 is an apocalyptic number.

55117301251 is a deficient number, since it is larger than the sum of its proper divisors (19430861).

55117301251 is a wasteful number, since it uses less digits than its factorization.

55117301251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19430860.

The product of its (nonzero) digits is 5250, while the sum is 31.

The spelling of 55117301251 in words is "fifty-five billion, one hundred seventeen million, three hundred one thousand, two hundred fifty-one".