50388912 has 160 divisors (see below), whose sum is σ = 174195200. Its totient is φ = 13623552.

The previous prime is 50388889. The next prime is 50388917. The reversal of 50388912 is 21988305.

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

It is not an unprimeable number, because it can be changed into a prime (50388917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57018 + ... + 57894.

It is an arithmetic number, because the mean of its divisors is an integer number (1088720).

Almost surely, 2^50388912 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 50388912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87097600).

50388912 is an abundant number, since it is smaller than the sum of its proper divisors (123806288).

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

50388912 is a wasteful number, since it uses less digits than its factorization.

50388912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 50388912 is about 7098.5147742327. The cubic root of 50388912 is about 369.3558600199.

The spelling of 50388912 in words is "fifty million, three hundred eighty-eight thousand, nine hundred twelve".