50552252021 has 4 divisors (see below), whose sum is σ = 50591229612. Its totient is φ = 50513274432.

The previous prime is 50552251921. The next prime is 50552252033. The reversal of 50552252021 is 12025225505.

50552252021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41410215025 + 9142036996 = 203495^2 + 95614^2 .

It is a cyclic number.

It is not a de Polignac number, because 50552252021 - 2³⁰ = 49478510197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50552252041) 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, 19486850 + ... + 19489443.

It is an arithmetic number, because the mean of its divisors is an integer number (12647807403).

Almost surely, 2^50552252021 is an apocalyptic number.

It is an amenable number.

50552252021 is a deficient number, since it is larger than the sum of its proper divisors (38977591).

50552252021 is a wasteful number, since it uses less digits than its factorization.

50552252021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38977590.

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 50552252021 its reverse (12025225505), we get a palindrome (62577477526).

The spelling of 50552252021 in words is "fifty billion, five hundred fifty-two million, two hundred fifty-two thousand, twenty-one".