50805240 has 64 divisors (see below), whose sum is σ = 160444800. Its totient is φ = 12834432.

The previous prime is 50805239. The next prime is 50805263. The reversal of 50805240 is 4250805.

It is a super-2 number, since 2×50805240² = 5162344822915200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 50805240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8862 + ... + 13421.

It is an arithmetic number, because the mean of its divisors is an integer number (2506950).

Almost surely, 2^50805240 is an apocalyptic number.

It is an amenable number.

50805240 is an abundant number, since it is smaller than the sum of its proper divisors (109639560).

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

50805240 is a wasteful number, since it uses less digits than its factorization.

50805240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22316 (or 22312 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 50805240 is about 7127.7794578676. The cubic root of 50805240 is about 370.3703134469.

The spelling of 50805240 in words is "fifty million, eight hundred five thousand, two hundred forty".