15532540552 has 32 divisors (see below), whose sum is σ = 30971381400. Its totient is φ = 7277497344.

The previous prime is 15532540547. The next prime is 15532540553. The reversal of 15532540552 is 25504523551.

It can be written as a sum of positive squares in 4 ways, for example, as 14188144996 + 1344395556 = 119114^2 + 36666^2 .

It is not an unprimeable number, because it can be changed into a prime (15532540553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218223 + ... + 280510.

Almost surely, 2^15532540552 is an apocalyptic number.

It is an amenable number.

15532540552 is a deficient number, since it is larger than the sum of its proper divisors (15438840848).

15532540552 is a wasteful number, since it uses less digits than its factorization.

15532540552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498985 (or 498981 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 15532540552 in words is "fifteen billion, five hundred thirty-two million, five hundred forty thousand, five hundred fifty-two".