50918784 has 128 divisors (see below), whose sum is σ = 162873600. Its totient is φ = 13768704.

The previous prime is 50918779. The next prime is 50918827. The reversal of 50918784 is 48781905.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 50574 + ... + 51570.

It is an arithmetic number, because the mean of its divisors is an integer number (1272450).

Almost surely, 2^50918784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50918784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81436800).

50918784 is an abundant number, since it is smaller than the sum of its proper divisors (111954816).

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

50918784 is a wasteful number, since it uses less digits than its factorization.

50918784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 50918784 is about 7135.7399055739. The cubic root of 50918784 is about 370.6460201624.

The spelling of 50918784 in words is "fifty million, nine hundred eighteen thousand, seven hundred eighty-four".