15550087752 has 80 divisors (see below), whose sum is σ = 43783027200. Its totient is φ = 5156183520.

The previous prime is 15550087699. The next prime is 15550087771. The reversal of 15550087752 is 25778005551.

15550087752 is a `hidden beast` number, since 15 + 5 + 500 + 87 + 7 + 52 = 666.

15550087752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15550087698 and 15550087707.

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 19 ways as a sum of consecutive naturals, for example, 60949 + ... + 186587.

It is an arithmetic number, because the mean of its divisors is an integer number (547287840).

Almost surely, 2^15550087752 is an apocalyptic number.

15550087752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15550087752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21891513600).

15550087752 is an abundant number, since it is smaller than the sum of its proper divisors (28232939448).

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

15550087752 is a wasteful number, since it uses less digits than its factorization.

15550087752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125848 (or 125835 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 45.

The spelling of 15550087752 in words is "fifteen billion, five hundred fifty million, eighty-seven thousand, seven hundred fifty-two".