55375317442247 has 16 divisors (see below), whose sum is σ = 63036380639232. Its totient is φ = 48152109133920.

The previous prime is 55375317442241. The next prime is 55375317442259. The reversal of 55375317442247 is 74224471357355.

It is not a de Polignac number, because 55375317442247 - 2⁸ = 55375317441991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55375317442241) 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, 39087533 + ... + 40479449.

It is an arithmetic number, because the mean of its divisors is an integer number (3939773789952).

Almost surely, 2^{55375317442247} is an apocalyptic number.

55375317442247 is a deficient number, since it is larger than the sum of its proper divisors (7661063196985).

55375317442247 is a wasteful number, since it uses less digits than its factorization.

55375317442247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549198.

The product of its digits is 98784000, while the sum is 59.

The spelling of 55375317442247 in words is "fifty-five trillion, three hundred seventy-five billion, three hundred seventeen million, four hundred forty-two thousand, two hundred forty-seven".