50989069 has 4 divisors (see below), whose sum is σ = 53988444. Its totient is φ = 47989696.

The previous prime is 50989067. The next prime is 50989073. The reversal of 50989069 is 96098905.

It is a happy number.

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 40832100 + 10156969 = 6390^2 + 3187^2 .

It is a cyclic number.

It is not a de Polignac number, because 50989069 - 2¹ = 50989067 is a prime.

It is a super-2 number, since 2×50989069² = 5199770314973522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50989061) 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, 1499662 + ... + 1499695.

It is an arithmetic number, because the mean of its divisors is an integer number (13497111).

Almost surely, 2^50989069 is an apocalyptic number.

It is an amenable number.

50989069 is a deficient number, since it is larger than the sum of its proper divisors (2999375).

50989069 is a wasteful number, since it uses less digits than its factorization.

50989069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999374.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 50989069 is about 7140.6630644500. The cubic root of 50989069 is about 370.8164803630.

The spelling of 50989069 in words is "fifty million, nine hundred eighty-nine thousand, sixty-nine".