15532545053 has 4 divisors (see below), whose sum is σ = 15532799040. Its totient is φ = 15532291068.

The previous prime is 15532545047. The next prime is 15532545079. The reversal of 15532545053 is 35054523551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 15532545053 - 2¹⁰ = 15532544029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15532544998 and 15532545016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15532545013) 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, 26918 + ... + 178296.

It is an arithmetic number, because the mean of its divisors is an integer number (3883199760).

Almost surely, 2^15532545053 is an apocalyptic number.

It is an amenable number.

15532545053 is a deficient number, since it is larger than the sum of its proper divisors (253987).

15532545053 is a wasteful number, since it uses less digits than its factorization.

15532545053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253986.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 15532545053 in words is "fifteen billion, five hundred thirty-two million, five hundred forty-five thousand, fifty-three".