55531305532 has 12 divisors (see below), whose sum is σ = 97324187296. Its totient is φ = 27724394880.

The previous prime is 55531305527. The next prime is 55531305539. The reversal of 55531305532 is 23550313555.

It is a junction number, because it is equal to n+sod(n) for n = 55531305491 and 55531305500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55531305539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10311444 + ... + 10316827.

Almost surely, 2^55531305532 is an apocalyptic number.

It is an amenable number.

55531305532 is a deficient number, since it is larger than the sum of its proper divisors (41792881764).

55531305532 is a wasteful number, since it uses less digits than its factorization.

55531305532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20628948 (or 20628946 counting only the distinct ones).

The product of its (nonzero) digits is 168750, while the sum is 37.

The spelling of 55531305532 in words is "fifty-five billion, five hundred thirty-one million, three hundred five thousand, five hundred thirty-two".