15504226055 has 32 divisors (see below), whose sum is σ = 19954142208. Its totient is φ = 11535955200.

The previous prime is 15504226027. The next prime is 15504226061. The reversal of 15504226055 is 55062240551.

It is not a de Polignac number, because 15504226055 - 2¹² = 15504221959 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1442150 + ... + 1452860.

It is an arithmetic number, because the mean of its divisors is an integer number (623566944).

Almost surely, 2^15504226055 is an apocalyptic number.

15504226055 is a deficient number, since it is larger than the sum of its proper divisors (4449916153).

15504226055 is a wasteful number, since it uses less digits than its factorization.

15504226055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11087.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 15504226055 in words is "fifteen billion, five hundred four million, two hundred twenty-six thousand, fifty-five".