50724090 has 128 divisors (see below), whose sum is σ = 147121920. Its totient is φ = 12386304.

The previous prime is 50724059. The next prime is 50724097. The reversal of 50724090 is 9042705.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50724097) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 197242 + ... + 197498.

It is an arithmetic number, because the mean of its divisors is an integer number (1149390).

Almost surely, 2^50724090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50724090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73560960).

50724090 is an abundant number, since it is smaller than the sum of its proper divisors (96397830).

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

50724090 is a wasteful number, since it uses less digits than its factorization.

50724090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 50724090 is about 7122.0846667250. The cubic root of 50724090 is about 370.1730138016.

Adding to 50724090 its reverse (9042705), we get a palindrome (59766795).

The spelling of 50724090 in words is "fifty million, seven hundred twenty-four thousand, ninety".