50688440 has 32 divisors (see below), whose sum is σ = 124418160. Its totient is φ = 18432000.

The previous prime is 50688427. The next prime is 50688457. The reversal of 50688440 is 4488605.

It is a self number, because there is not a number n which added to its sum of digits gives 50688440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57161 + ... + 58040.

Almost surely, 2^50688440 is an apocalyptic number.

It is an amenable number.

50688440 is an abundant number, since it is smaller than the sum of its proper divisors (73729720).

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

50688440 is a wasteful number, since it uses less digits than its factorization.

50688440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115223 (or 115219 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 50688440 is about 7119.5814483718. The cubic root of 50688440 is about 370.0862715799.

The spelling of 50688440 in words is "fifty million, six hundred eighty-eight thousand, four hundred forty".