50147689 has 2 divisors, whose sum is σ = 50147690. Its totient is φ = 50147688.

The previous prime is 50147663. The next prime is 50147693. The reversal of 50147689 is 98674105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30858025 + 19289664 = 5555^2 + 4392^2 .

It is a cyclic number.

It is not a de Polignac number, because 50147689 - 2¹³ = 50139497 is a prime.

It is not a weakly prime, because it can be changed into another prime (50147609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25073844 + 25073845.

It is an arithmetic number, because the mean of its divisors is an integer number (25073845).

Almost surely, 2^50147689 is an apocalyptic number.

It is an amenable number.

50147689 is a deficient number, since it is larger than the sum of its proper divisors (1).

50147689 is an equidigital number, since it uses as much as digits as its factorization.

50147689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 50147689 is about 7081.5033008536. The cubic root of 50147689 is about 368.7655205954.

The spelling of 50147689 in words is "fifty million, one hundred forty-seven thousand, six hundred eighty-nine".