50874821 has 4 divisors (see below), whose sum is σ = 51957312. Its totient is φ = 49792332.

The previous prime is 50874797. The next prime is 50874833. The reversal of 50874821 is 12847805.

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 50874821 - 2⁶ = 50874757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50874881) 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, 541175 + ... + 541268.

It is an arithmetic number, because the mean of its divisors is an integer number (12989328).

Almost surely, 2^50874821 is an apocalyptic number.

It is an amenable number.

50874821 is a deficient number, since it is larger than the sum of its proper divisors (1082491).

50874821 is a wasteful number, since it uses less digits than its factorization.

50874821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082490.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 50874821 is about 7132.6587609390. The cubic root of 50874821 is about 370.5393181981.

The spelling of 50874821 in words is "fifty million, eight hundred seventy-four thousand, eight hundred twenty-one".