50155000 has 80 divisors (see below), whose sum is σ = 134394480. Its totient is φ = 17184000.

The previous prime is 50154997. The next prime is 50155009. The reversal of 50155000 is 55105.

It is a super-4 number, since 4×50155000⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50155009) by changing a digit.

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, 34284 + ... + 35716.

It is an arithmetic number, because the mean of its divisors is an integer number (1679931).

Almost surely, 2^50155000 is an apocalyptic number.

50155000 is a gapful number since it is divisible by the number (50) 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 50155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67197240).

50155000 is an abundant number, since it is smaller than the sum of its proper divisors (84239480).

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

50155000 is a wasteful number, since it uses less digits than its factorization.

50155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1447 counting only the distinct ones).

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

The square root of 50155000 is about 7082.0194859941. The cubic root of 50155000 is about 368.7834404223.

The spelling of 50155000 in words is "fifty million, one hundred fifty-five thousand".