15550153850 has 96 divisors (see below), whose sum is σ = 37958284800. Its totient is φ = 4591684800.

The previous prime is 15550153807. The next prime is 15550153903. The reversal of 15550153850 is 5835105551.

15550153850 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33140 + ... + 179439.

It is an arithmetic number, because the mean of its divisors is an integer number (395398800).

Almost surely, 2^15550153850 is an apocalyptic number.

15550153850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15550153850 is an abundant number, since it is smaller than the sum of its proper divisors (22408130950).

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

15550153850 is a wasteful number, since it uses less digits than its factorization.

15550153850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212628 (or 212623 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 15550153850 in words is "fifteen billion, five hundred fifty million, one hundred fifty-three thousand, eight hundred fifty".