50261663 has 2 divisors, whose sum is σ = 50261664. Its totient is φ = 50261662.

The previous prime is 50261599. The next prime is 50261671. The reversal of 50261663 is 36616205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50261663 - 2⁶ = 50261599 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50261063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25130831 + 25130832.

It is an arithmetic number, because the mean of its divisors is an integer number (25130832).

Almost surely, 2^50261663 is an apocalyptic number.

50261663 is a deficient number, since it is larger than the sum of its proper divisors (1).

50261663 is an equidigital number, since it uses as much as digits as its factorization.

50261663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 50261663 is about 7089.5460362424. The cubic root of 50261663 is about 369.0446818835.

Adding to 50261663 its reverse (36616205), we get a palindrome (86877868).

The spelling of 50261663 in words is "fifty million, two hundred sixty-one thousand, six hundred sixty-three".