50900249 has 4 divisors (see below), whose sum is σ = 52655460. Its totient is φ = 49145040.

The previous prime is 50900243. The next prime is 50900251. The reversal of 50900249 is 94200905.

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 18490000 + 32410249 = 4300^2 + 5693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50900249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1755181 = 50900249 / (5 + 0 + 9 + 0 + 0 + 2 + 4 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50900243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877562 + ... + 877619.

It is an arithmetic number, because the mean of its divisors is an integer number (13163865).

Almost surely, 2^50900249 is an apocalyptic number.

It is an amenable number.

50900249 is a deficient number, since it is larger than the sum of its proper divisors (1755211).

50900249 is a wasteful number, since it uses less digits than its factorization.

50900249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755210.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 50900249 is about 7134.4410432773. The cubic root of 50900249 is about 370.6010416222.

The spelling of 50900249 in words is "fifty million, nine hundred thousand, two hundred forty-nine".