50212621 has 4 divisors (see below), whose sum is σ = 50394172. Its totient is φ = 50031072.

The previous prime is 50212619. The next prime is 50212651. The reversal of 50212621 is 12621205.

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 8468100 + 41744521 = 2910^2 + 6461^2 .

It is a cyclic number.

It is not a de Polignac number, because 50212621 - 2¹ = 50212619 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 (50212651) 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, 90360 + ... + 90913.

It is an arithmetic number, because the mean of its divisors is an integer number (12598543).

Almost surely, 2^50212621 is an apocalyptic number.

It is an amenable number.

50212621 is a deficient number, since it is larger than the sum of its proper divisors (181551).

50212621 is a wasteful number, since it uses less digits than its factorization.

50212621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181550.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 50212621 is about 7086.0864375197. The cubic root of 50212621 is about 368.9246130418.

Adding to 50212621 its reverse (12621205), we get a palindrome (62833826).

The spelling of 50212621 in words is "fifty million, two hundred twelve thousand, six hundred twenty-one".