55101505556 has 12 divisors (see below), whose sum is σ = 96656681940. Its totient is φ = 27485310720.

The previous prime is 55101505507. The next prime is 55101505607. The reversal of 55101505556 is 65550510155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28996640656 + 26104864900 = 170284^2 + 161570^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16358621 + ... + 16361988.

It is an arithmetic number, because the mean of its divisors is an integer number (8054723495).

Almost surely, 2^55101505556 is an apocalyptic number.

It is an amenable number.

55101505556 is a deficient number, since it is larger than the sum of its proper divisors (41555176384).

55101505556 is a wasteful number, since it uses less digits than its factorization.

55101505556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32721034 (or 32721032 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 55101505556 in words is "fifty-five billion, one hundred one million, five hundred five thousand, five hundred fifty-six".