13531554530 has 48 divisors (see below), whose sum is σ = 27087471144. Its totient is φ = 4861209600.

The previous prime is 13531554503. The next prime is 13531554551. The reversal of 13531554530 is 3545513531.

It can be written as a sum of positive squares in 12 ways, for example, as 649077529 + 12882477001 = 25477^2 + 113501^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45671 + ... + 170730.

Almost surely, 2^13531554530 is an apocalyptic number.

13531554530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531554530 is an abundant number, since it is smaller than the sum of its proper divisors (13555916614).

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

13531554530 is a wasteful number, since it uses less digits than its factorization.

13531554530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216471 (or 216458 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 13531554530 in words is "thirteen billion, five hundred thirty-one million, five hundred fifty-four thousand, five hundred thirty".