50254921 has 4 divisors (see below), whose sum is σ = 50285844. Its totient is φ = 50224000.

The previous prime is 50254913. The next prime is 50254927. The reversal of 50254921 is 12945205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26625600 + 23629321 = 5160^2 + 4861^2 .

It is a cyclic number.

It is not a de Polignac number, because 50254921 - 2³ = 50254913 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 50254921.

It is not an unprimeable number, because it can be changed into a prime (50254927) 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, 12880 + ... + 16321.

It is an arithmetic number, because the mean of its divisors is an integer number (12571461).

Almost surely, 2^50254921 is an apocalyptic number.

It is an amenable number.

50254921 is a deficient number, since it is larger than the sum of its proper divisors (30923).

50254921 is a wasteful number, since it uses less digits than its factorization.

50254921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30922.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 50254921 is about 7089.0705314590. The cubic root of 50254921 is about 369.0281801712.

The spelling of 50254921 in words is "fifty million, two hundred fifty-four thousand, nine hundred twenty-one".