15550656930 has 48 divisors (see below), whose sum is σ = 40560956280. Its totient is φ = 4133585664.

The previous prime is 15550656917. The next prime is 15550656941. The reversal of 15550656930 is 3965605551.

It is a happy number.

15550656930 is a `hidden beast` number, since 1 + 5 + 5 + 50 + 6 + 569 + 30 = 666.

15550656930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9112038849 + 6438618081 = 95457^2 + 80241^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 247845 + ... + 304184.

Almost surely, 2^15550656930 is an apocalyptic number.

15550656930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15550656930 is an abundant number, since it is smaller than the sum of its proper divisors (25010299350).

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

15550656930 is a wasteful number, since it uses less digits than its factorization.

15550656930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552355 (or 552352 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 45.

The spelling of 15550656930 in words is "fifteen billion, five hundred fifty million, six hundred fifty-six thousand, nine hundred thirty".