50721048 has 96 divisors (see below), whose sum is σ = 158240160. Its totient is φ = 14376960.

The previous prime is 50721031. The next prime is 50721091. The reversal of 50721048 is 84012705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78808 + ... + 79448.

It is an arithmetic number, because the mean of its divisors is an integer number (1648335).

Almost surely, 2^50721048 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 50721048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79120080).

50721048 is an abundant number, since it is smaller than the sum of its proper divisors (107519112).

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

50721048 is a wasteful number, since it uses less digits than its factorization.

50721048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 50721048 is about 7121.8711024562. The cubic root of 50721048 is about 370.1656137095.

The spelling of 50721048 in words is "fifty million, seven hundred twenty-one thousand, forty-eight".