50981184 has 112 divisors (see below), whose sum is σ = 151627840. Its totient is φ = 16796160.

The previous prime is 50981167. The next prime is 50981191. The reversal of 50981184 is 48118905.

It is a super-2 number, since 2×50981184² = 5198162244083712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281574 + ... + 281754.

It is an arithmetic number, because the mean of its divisors is an integer number (1353820).

Almost surely, 2^50981184 is an apocalyptic number.

50981184 is a gapful number since it is divisible by the number (54) 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 50981184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75813920).

50981184 is an abundant number, since it is smaller than the sum of its proper divisors (100646656).

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

50981184 is a wasteful number, since it uses less digits than its factorization.

50981184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 50981184 is about 7140.1109235081. The cubic root of 50981184 is about 370.7973649020.

The spelling of 50981184 in words is "fifty million, nine hundred eighty-one thousand, one hundred eighty-four".