155050550 has 24 divisors (see below), whose sum is σ = 288738216. Its totient is φ = 61946240.

The previous prime is 155050537. The next prime is 155050627. The reversal of 155050550 is 55050551.

155050550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 62942 + ... + 65358.

It is an arithmetic number, because the mean of its divisors is an integer number (12030759).

Almost surely, 2^155050550 is an apocalyptic number.

155050550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155050550 is a deficient number, since it is larger than the sum of its proper divisors (133687666).

155050550 is a wasteful number, since it uses less digits than its factorization.

155050550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 155050550 is about 12451.9295693479. The cubic root of 155050550 is about 537.2269245657.

Subtracting from 155050550 its reverse (55050551), we obtain a palindrome (99999999).

The spelling of 155050550 in words is "one hundred fifty-five million, fifty thousand, five hundred fifty".