50868840 has 128 divisors (see below), whose sum is σ = 168739200. Its totient is φ = 12165120.

The previous prime is 50868827. The next prime is 50868863. The reversal of 50868840 is 4886805.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117264 + ... + 117696.

It is an arithmetic number, because the mean of its divisors is an integer number (1318275).

Almost surely, 2^50868840 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 50868840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84369600).

50868840 is an abundant number, since it is smaller than the sum of its proper divisors (117870360).

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

50868840 is a wasteful number, since it uses less digits than its factorization.

50868840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 50868840 is about 7132.2394799950. The cubic root of 50868840 is about 370.5247970494.

The spelling of 50868840 in words is "fifty million, eight hundred sixty-eight thousand, eight hundred forty".