50985774 has 72 divisors (see below), whose sum is σ = 133326648. Its totient is φ = 14560560.

The previous prime is 50985773. The next prime is 50985787. The reversal of 50985774 is 47758905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50985773) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22744 + ... + 24884.

It is an arithmetic number, because the mean of its divisors is an integer number (1851759).

Almost surely, 2^50985774 is an apocalyptic number.

50985774 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50985774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66663324).

50985774 is an abundant number, since it is smaller than the sum of its proper divisors (82340874).

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

50985774 is a wasteful number, since it uses less digits than its factorization.

50985774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 50985774 is about 7140.4323398517. The cubic root of 50985774 is about 370.8084925946.

The spelling of 50985774 in words is "fifty million, nine hundred eighty-five thousand, seven hundred seventy-four".