55106521055 has 8 divisors (see below), whose sum is σ = 66130016112. Its totient is φ = 44083756288.

The previous prime is 55106521033. The next prime is 55106521061. The reversal of 55106521055 is 55012560155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55106521055 - 2²⁶ = 55039412191 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 47 + ... + 331983.

It is an arithmetic number, because the mean of its divisors is an integer number (8266252014).

Almost surely, 2^55106521055 is an apocalyptic number.

55106521055 is a deficient number, since it is larger than the sum of its proper divisors (11023495057).

55106521055 is a wasteful number, since it uses less digits than its factorization.

55106521055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365145.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 55106521055 in words is "fifty-five billion, one hundred six million, five hundred twenty-one thousand, fifty-five".