55551351156222 has 16 divisors (see below), whose sum is σ = 113686486087680. Its totient is φ = 18086486422872.

The previous prime is 55551351156211. The next prime is 55551351156239. The reversal of 55551351156222 is 22265115315555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107657657022 + ... + 107657657537.

It is an arithmetic number, because the mean of its divisors is an integer number (7105405380480).

Almost surely, 2^{55551351156222} is an apocalyptic number.

55551351156222 is an abundant number, since it is smaller than the sum of its proper divisors (58135134931458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55551351156222 is a wasteful number, since it uses less digits than its factorization.

55551351156222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215315314607.

The product of its digits is 2250000, while the sum is 48.

The spelling of 55551351156222 in words is "fifty-five trillion, five hundred fifty-one billion, three hundred fifty-one million, one hundred fifty-six thousand, two hundred twenty-two".