55634521255 has 4 divisors (see below), whose sum is σ = 66761425512. Its totient is φ = 44507617000.

The previous prime is 55634521237. The next prime is 55634521277. The reversal of 55634521255 is 55212543655.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55634521255 - 2⁵ = 55634521223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5563452121 + ... + 5563452130.

It is an arithmetic number, because the mean of its divisors is an integer number (16690356378).

Almost surely, 2^55634521255 is an apocalyptic number.

55634521255 is a deficient number, since it is larger than the sum of its proper divisors (11126904257).

55634521255 is a wasteful number, since it uses less digits than its factorization.

55634521255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11126904256.

The product of its digits is 900000, while the sum is 43.

It can be divided in two parts, 556345 and 21255, that added together give a square (577600 = 760²).

The spelling of 55634521255 in words is "fifty-five billion, six hundred thirty-four million, five hundred twenty-one thousand, two hundred fifty-five".