55805533535 has 64 divisors (see below), whose sum is σ = 72383051520. Its totient is φ = 41205964800.

The previous prime is 55805533529. The next prime is 55805533549. The reversal of 55805533535 is 53533550855.

It is a de Polignac number, because none of the positive numbers 2^k-55805533535 is a prime.

It is a super-2 number, since 2×55805533535² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55805533535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165594887 + ... + 165595223.

It is an arithmetic number, because the mean of its divisors is an integer number (1130985180).

Almost surely, 2^55805533535 is an apocalyptic number.

55805533535 is a deficient number, since it is larger than the sum of its proper divisors (16577517985).

55805533535 is a wasteful number, since it uses less digits than its factorization.

55805533535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 3375000, while the sum is 47.

The spelling of 55805533535 in words is "fifty-five billion, eight hundred five million, five hundred thirty-three thousand, five hundred thirty-five".