55222165563146 has 16 divisors (see below), whose sum is σ = 85096704961800. Its totient is φ = 26860456504320.

The previous prime is 55222165563137. The next prime is 55222165563181. The reversal of 55222165563146 is 64136556122255.

It can be written as a sum of positive squares in 4 ways, for example, as 27564190525921 + 27657975037225 = 5250161^2 + 5259085^2 .

It is a Curzon 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, 964786631 + ... + 964843866.

Almost surely, 2^{55222165563146} is an apocalyptic number.

55222165563146 is a deficient number, since it is larger than the sum of its proper divisors (29874539398654).

55222165563146 is a wasteful number, since it uses less digits than its factorization.

55222165563146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929630889.

The product of its digits is 12960000, while the sum is 53.

The spelling of 55222165563146 in words is "fifty-five trillion, two hundred twenty-two billion, one hundred sixty-five million, five hundred sixty-three thousand, one hundred forty-six".