155000050 has 24 divisors (see below), whose sum is σ = 305260596. Its totient is φ = 58352640.

The previous prime is 155000047. The next prime is 155000057. The reversal of 155000050 is 50000551.

It can be written as a sum of positive squares in 6 ways, for example, as 105001009 + 49999041 = 10247^2 + 7071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154999988 and 155000033.

It is not an unprimeable number, because it can be changed into a prime (155000057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90327 + ... + 92026.

Almost surely, 2^155000050 is an apocalyptic number.

155000050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155000050 is a deficient number, since it is larger than the sum of its proper divisors (150260546).

155000050 is a wasteful number, since it uses less digits than its factorization.

155000050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182382 (or 182377 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 155000050 is about 12449.9016060369. The cubic root of 155000050 is about 537.1685932545.

The spelling of 155000050 in words is "one hundred fifty-five million, fifty", and thus it is an aban number.