55552232156532 has 96 divisors (see below), whose sum is σ = 131867971092480. Its totient is φ = 18198722580480.

The previous prime is 55552232156503. The next prime is 55552232156537. The reversal of 55552232156532 is 23565123225555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55552232156537) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2729426868 + ... + 2729447220.

It is an arithmetic number, because the mean of its divisors is an integer number (1373624698880).

Almost surely, 2^{55552232156532} is an apocalyptic number.

It is an amenable number.

55552232156532 is an abundant number, since it is smaller than the sum of its proper divisors (76315738935948).

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

55552232156532 is a wasteful number, since it uses less digits than its factorization.

55552232156532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33573 (or 33571 counting only the distinct ones).

The product of its digits is 13500000, while the sum is 51.

The spelling of 55552232156532 in words is "fifty-five trillion, five hundred fifty-two billion, two hundred thirty-two million, one hundred fifty-six thousand, five hundred thirty-two".