55395431222 has 8 divisors (see below), whose sum is σ = 84094269336. Its totient is φ = 27364008112.

The previous prime is 55395431191. The next prime is 55395431237. The reversal of 55395431222 is 22213459355.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55395431222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166853543 + ... + 166853874.

It is an arithmetic number, because the mean of its divisors is an integer number (10511783667).

Almost surely, 2^55395431222 is an apocalyptic number.

55395431222 is a deficient number, since it is larger than the sum of its proper divisors (28698838114).

55395431222 is a wasteful number, since it uses less digits than its factorization.

55395431222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333707502.

The product of its digits is 324000, while the sum is 41.

The spelling of 55395431222 in words is "fifty-five billion, three hundred ninety-five million, four hundred thirty-one thousand, two hundred twenty-two".