55805533532 has 24 divisors (see below), whose sum is σ = 113440760160. Its totient is φ = 23524580160.

The previous prime is 55805533529. The next prime is 55805533549. The reversal of 55805533532 is 23533550855.

It is a super-2 number, since 2×55805533532² (a number of 22 digits) contains 22 as substring.

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, 16334807 + ... + 16338222.

It is an arithmetic number, because the mean of its divisors is an integer number (4726698340).

Almost surely, 2^55805533532 is an apocalyptic number.

It is an amenable number.

55805533532 is an abundant number, since it is smaller than the sum of its proper divisors (57635226628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55805533532 is a wasteful number, since it uses less digits than its factorization.

55805533532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32673101 (or 32673099 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 55805533532 in words is "fifty-five billion, eight hundred five million, five hundred thirty-three thousand, five hundred thirty-two".