55102555405 has 16 divisors (see below), whose sum is σ = 69609052800. Its totient is φ = 41758441920.

The previous prime is 55102555399. The next prime is 55102555489. The reversal of 55102555405 is 50455520155.

It is not a de Polignac number, because 55102555405 - 2⁵ = 55102555373 is a prime.

It is a super-2 number, since 2×55102555405² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2006920 + ... + 2034190.

It is an arithmetic number, because the mean of its divisors is an integer number (4350565800).

Almost surely, 2^55102555405 is an apocalyptic number.

It is an amenable number.

55102555405 is a deficient number, since it is larger than the sum of its proper divisors (14506497395).

55102555405 is a wasteful number, since it uses less digits than its factorization.

55102555405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48564.

The product of its (nonzero) digits is 125000, while the sum is 37.

The spelling of 55102555405 in words is "fifty-five billion, one hundred two million, five hundred fifty-five thousand, four hundred five".