50695821 has 32 divisors (see below), whose sum is σ = 82621440. Its totient is φ = 30466800.

The previous prime is 50695817. The next prime is 50695823. The reversal of 50695821 is 12859605.

It is a happy number.

It is not a de Polignac number, because 50695821 - 2² = 50695817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50695823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38256 + ... + 39558.

It is an arithmetic number, because the mean of its divisors is an integer number (2581920).

Almost surely, 2^50695821 is an apocalyptic number.

It is an amenable number.

50695821 is a deficient number, since it is larger than the sum of its proper divisors (31925619).

50695821 is a wasteful number, since it uses less digits than its factorization.

50695821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 50695821 is about 7120.0997886266. The cubic root of 50695821 is about 370.1042340857.

The spelling of 50695821 in words is "fifty million, six hundred ninety-five thousand, eight hundred twenty-one".