15550423653 has 8 divisors (see below), whose sum is σ = 20734509600. Its totient is φ = 10366643408.

The previous prime is 15550423643. The next prime is 15550423657. The reversal of 15550423653 is 35632405551.

15550423653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15550423653 - 2²⁶ = 15483314789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15550423657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101338 + ... + 203396.

It is an arithmetic number, because the mean of its divisors is an integer number (2591813700).

Almost surely, 2^15550423653 is an apocalyptic number.

It is an amenable number.

15550423653 is a deficient number, since it is larger than the sum of its proper divisors (5184085947).

15550423653 is a wasteful number, since it uses less digits than its factorization.

15550423653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152851.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 15550423653 in words is "fifteen billion, five hundred fifty million, four hundred twenty-three thousand, six hundred fifty-three".