55236474885 has 32 divisors (see below), whose sum is σ = 93910223232. Its totient is φ = 27627837440.

The previous prime is 55236474883. The next prime is 55236474889. The reversal of 55236474885 is 58847463255.

It is not a de Polignac number, because 55236474885 - 2¹ = 55236474883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55236474883) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 313779 + ... + 457088.

It is an arithmetic number, because the mean of its divisors is an integer number (2934694476).

Almost surely, 2^55236474885 is an apocalyptic number.

It is an amenable number.

55236474885 is a deficient number, since it is larger than the sum of its proper divisors (38673748347).

55236474885 is a wasteful number, since it uses less digits than its factorization.

55236474885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771173.

The product of its digits is 32256000, while the sum is 57.

The spelling of 55236474885 in words is "fifty-five billion, two hundred thirty-six million, four hundred seventy-four thousand, eight hundred eighty-five".