55422225215 has 16 divisors (see below), whose sum is σ = 80478660672. Its totient is φ = 35768292864.

The previous prime is 55422225193. The next prime is 55422225233. The reversal of 55422225215 is 51252222455.

It is a cyclic number.

It is not a de Polignac number, because 55422225215 - 2³⁰ = 54348483391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 15 ways as a sum of consecutive naturals, for example, 46572704 + ... + 46573893.

It is an arithmetic number, because the mean of its divisors is an integer number (5029916292).

Almost surely, 2^55422225215 is an apocalyptic number.

55422225215 is a deficient number, since it is larger than the sum of its proper divisors (25056435457).

55422225215 is a wasteful number, since it uses less digits than its factorization.

55422225215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93146626.

The product of its digits is 80000, while the sum is 35.

The spelling of 55422225215 in words is "fifty-five billion, four hundred twenty-two million, two hundred twenty-five thousand, two hundred fifteen".