50909550 has 48 divisors (see below), whose sum is σ = 132908160. Its totient is φ = 12860640.

The previous prime is 50909527. The next prime is 50909567. The reversal of 50909550 is 5590905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6082 + ... + 11781.

It is an arithmetic number, because the mean of its divisors is an integer number (2768920).

Almost surely, 2^50909550 is an apocalyptic number.

50909550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50909550 is an abundant number, since it is smaller than the sum of its proper divisors (81998610).

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

50909550 is a wasteful number, since it uses less digits than its factorization.

50909550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17897 (or 17892 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 33.

The square root of 50909550 is about 7135.0928515332. The cubic root of 50909550 is about 370.6236135508.

The spelling of 50909550 in words is "fifty million, nine hundred nine thousand, five hundred fifty".