50918783 has 4 divisors (see below), whose sum is σ = 51307608. Its totient is φ = 50529960.

The previous prime is 50918779. The next prime is 50918827. The reversal of 50918783 is 38781905.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38781905 = 5 ⋅7756381.

It is a cyclic number.

It is not a de Polignac number, because 50918783 - 2² = 50918779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50918783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50918753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194216 + ... + 194477.

It is an arithmetic number, because the mean of its divisors is an integer number (12826902).

Almost surely, 2^50918783 is an apocalyptic number.

50918783 is a deficient number, since it is larger than the sum of its proper divisors (388825).

50918783 is a wasteful number, since it uses less digits than its factorization.

50918783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388824.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 50918783 is about 7135.7398355041. The cubic root of 50918783 is about 370.6460177360.

The spelling of 50918783 in words is "fifty million, nine hundred eighteen thousand, seven hundred eighty-three".