50053840 has 40 divisors (see below), whose sum is σ = 120135168. Its totient is φ = 19374720.

The previous prime is 50053823. The next prime is 50053841. The reversal of 50053840 is 4835005.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50053841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7612 + ... + 12571.

Almost surely, 2^50053840 is an apocalyptic number.

It is an amenable number.

50053840 is an abundant number, since it is smaller than the sum of its proper divisors (70081328).

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

50053840 is a wasteful number, since it uses less digits than its factorization.

50053840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20227 (or 20221 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 50053840 is about 7074.8738504655. The cubic root of 50053840 is about 368.5353346005.

Adding to 50053840 its reverse (4835005), we get a palindrome (54888845).

The spelling of 50053840 in words is "fifty million, fifty-three thousand, eight hundred forty".