13555424532 has 48 divisors (see below), whose sum is σ = 35543329920. Its totient is φ = 3989555328.

The previous prime is 13555424527. The next prime is 13555424539. The reversal of 13555424532 is 23542455531.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555424539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1885407 + ... + 1892582.

It is an arithmetic number, because the mean of its divisors is an integer number (740486040).

Almost surely, 2^13555424532 is an apocalyptic number.

13555424532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13555424532 is an abundant number, since it is smaller than the sum of its proper divisors (21987905388).

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

13555424532 is a wasteful number, since it uses less digits than its factorization.

13555424532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778032 (or 3778030 counting only the distinct ones).

The product of its digits is 360000, while the sum is 39.

The spelling of 13555424532 in words is "thirteen billion, five hundred fifty-five million, four hundred twenty-four thousand, five hundred thirty-two".