50530040 has 64 divisors (see below), whose sum is σ = 127098720. Its totient is φ = 17920000.

The previous prime is 50530027. The next prime is 50530079. The reversal of 50530040 is 4003505.

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 15 ways as a sum of consecutive naturals, for example, 16640 + ... + 19440.

Almost surely, 2^50530040 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 50530040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63549360).

50530040 is an abundant number, since it is smaller than the sum of its proper divisors (76568680).

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

50530040 is a wasteful number, since it uses less digits than its factorization.

50530040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 50530040 is about 7108.4484945732. The cubic root of 50530040 is about 369.7003661324.

Adding to 50530040 its reverse (4003505), we get a palindrome (54533545).

The spelling of 50530040 in words is "fifty million, five hundred thirty thousand, forty".