50621850 has 144 divisors (see below), whose sum is σ = 146008512. Its totient is φ = 12545280.

The previous prime is 50621843. The next prime is 50621861. The reversal of 50621850 is 5812605.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 693414 + ... + 693486.

It is an arithmetic number, because the mean of its divisors is an integer number (1013948).

Almost surely, 2^50621850 is an apocalyptic number.

50621850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50621850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73004256).

50621850 is an abundant number, since it is smaller than the sum of its proper divisors (95386662).

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

50621850 is a wasteful number, since it uses less digits than its factorization.

50621850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 50621850 is about 7114.9033724992. The cubic root of 50621850 is about 369.9241383306.

The spelling of 50621850 in words is "fifty million, six hundred twenty-one thousand, eight hundred fifty".