150005550 has 24 divisors (see below), whose sum is σ = 372014136. Its totient is φ = 40001440.

The previous prime is 150005533. The next prime is 150005561. The reversal of 150005550 is 55500051.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

150005550 is a modest number, since divided by 5550 gives 150 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499869 + ... + 500168.

It is an arithmetic number, because the mean of its divisors is an integer number (15500589).

Almost surely, 2^150005550 is an apocalyptic number.

150005550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150005550 is an abundant number, since it is smaller than the sum of its proper divisors (222008586).

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

150005550 is a wasteful number, since it uses less digits than its factorization.

150005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000052 (or 1000047 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 150005550 is about 12247.6752896213. The cubic root of 150005550 is about 531.3358375717.

The spelling of 150005550 in words is "one hundred fifty million, five thousand, five hundred fifty".