15552455535 has 12 divisors (see below), whose sum is σ = 26957589672. Its totient is φ = 8294642928.

The previous prime is 15552455531. The next prime is 15552455543. The reversal of 15552455535 is 53555425551.

15552455535 is a `hidden beast` number, since 1 + 5 + 5 + 52 + 45 + 553 + 5 = 666.

It is not a de Polignac number, because 15552455535 - 2² = 15552455531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 345610123 = 15552455535 / (1 + 5 + 5 + 5 + 2 + 4 + 5 + 5 + 5 + 3 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552455531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172805017 + ... + 172805106.

It is an arithmetic number, because the mean of its divisors is an integer number (2246465806).

Almost surely, 2^15552455535 is an apocalyptic number.

15552455535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15552455535 is a deficient number, since it is larger than the sum of its proper divisors (11405134137).

15552455535 is a wasteful number, since it uses less digits than its factorization.

15552455535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345610134 (or 345610131 counting only the distinct ones).

The product of its digits is 1875000, while the sum is 45.

The spelling of 15552455535 in words is "fifteen billion, five hundred fifty-two million, four hundred fifty-five thousand, five hundred thirty-five".