50013511 has 2 divisors, whose sum is σ = 50013512. Its totient is φ = 50013510.

The previous prime is 50013497. The next prime is 50013517. The reversal of 50013511 is 11531005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50013511 - 2⁵ = 50013479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50013517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25006755 + 25006756.

It is an arithmetic number, because the mean of its divisors is an integer number (25006756).

Almost surely, 2^50013511 is an apocalyptic number.

50013511 is a deficient number, since it is larger than the sum of its proper divisors (1).

50013511 is an equidigital number, since it uses as much as digits as its factorization.

50013511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 50013511 is about 7072.0231193061. The cubic root of 50013511 is about 368.4363301753.

Adding to 50013511 its reverse (11531005), we get a palindrome (61544516).

The spelling of 50013511 in words is "fifty million, thirteen thousand, five hundred eleven".