50884540 has 72 divisors (see below), whose sum is σ = 125541360. Its totient is φ = 17273088.

The previous prime is 50884513. The next prime is 50884541. The reversal of 50884540 is 4548805.

It is a super-2 number, since 2×50884540² = 5178472822023200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50884496 and 50884505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50884541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134071 + ... + 134449.

It is an arithmetic number, because the mean of its divisors is an integer number (1743630).

Almost surely, 2^50884540 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 50884540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62770680).

50884540 is an abundant number, since it is smaller than the sum of its proper divisors (74656820).

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

50884540 is a wasteful number, since it uses less digits than its factorization.

50884540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 50884540 is about 7133.3400311495. The cubic root of 50884540 is about 370.5629123341.

The spelling of 50884540 in words is "fifty million, eight hundred eighty-four thousand, five hundred forty".