15552254536 has 64 divisors (see below), whose sum is σ = 35927700480. Its totient is φ = 6146046720.

The previous prime is 15552254533. The next prime is 15552254539. The reversal of 15552254536 is 63545225551.

It is an interprime number because it is at equal distance from previous prime (15552254533) and next prime (15552254539).

It is a junction number, because it is equal to n+sod(n) for n = 15552254492 and 15552254501.

It is not an unprimeable number, because it can be changed into a prime (15552254533) 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, 710670 + ... + 732226.

It is an arithmetic number, because the mean of its divisors is an integer number (561370320).

Almost surely, 2^15552254536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15552254536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17963850240).

15552254536 is an abundant number, since it is smaller than the sum of its proper divisors (20375445944).

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

15552254536 is a wasteful number, since it uses less digits than its factorization.

15552254536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22574 (or 22570 counting only the distinct ones).

The product of its digits is 900000, while the sum is 43.

The spelling of 15552254536 in words is "fifteen billion, five hundred fifty-two million, two hundred fifty-four thousand, five hundred thirty-six".