50521044 has 96 divisors (see below), whose sum is σ = 140507136. Its totient is φ = 13829760.

The previous prime is 50521043. The next prime is 50521069. The reversal of 50521044 is 44012505.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 50521044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50521043) 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, 256354 + ... + 256550.

It is an arithmetic number, because the mean of its divisors is an integer number (1463616).

Almost surely, 2^50521044 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 50521044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70253568).

50521044 is an abundant number, since it is smaller than the sum of its proper divisors (89986092).

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

50521044 is a wasteful number, since it uses less digits than its factorization.

50521044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 50521044 is about 7107.8156982297. The cubic root of 50521044 is about 369.6784252442.

Adding to 50521044 its reverse (44012505), we get a palindrome (94533549).

The spelling of 50521044 in words is "fifty million, five hundred twenty-one thousand, forty-four".