50914781 has 4 divisors (see below), whose sum is σ = 51031200. Its totient is φ = 50798364.

The previous prime is 50914777. The next prime is 50914783. The reversal of 50914781 is 18741905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50914781 - 2² = 50914777 is a prime.

It is a super-2 number, since 2×50914781² = 5184629848555922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50914783) 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, 57551 + ... + 58428.

It is an arithmetic number, because the mean of its divisors is an integer number (12757800).

Almost surely, 2^50914781 is an apocalyptic number.

It is an amenable number.

50914781 is a deficient number, since it is larger than the sum of its proper divisors (116419).

50914781 is a wasteful number, since it uses less digits than its factorization.

50914781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116418.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 50914781 is about 7135.4594105776. The cubic root of 50914781 is about 370.6363070809.

The spelling of 50914781 in words is "fifty million, nine hundred fourteen thousand, seven hundred eighty-one".