49990511 has 2 divisors, whose sum is σ = 49990512. Its totient is φ = 49990510.

The previous prime is 49990487. The next prime is 49990529. The reversal of 49990511 is 11509994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49990511 is a prime.

It is a super-2 number, since 2×49990511² = 4998102380082242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49990531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24995255 + 24995256.

It is an arithmetic number, because the mean of its divisors is an integer number (24995256).

Almost surely, 2^49990511 is an apocalyptic number.

49990511 is a deficient number, since it is larger than the sum of its proper divisors (1).

49990511 is an equidigital number, since it uses as much as digits as its factorization.

49990511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 49990511 is about 7070.3968064034. The cubic root of 49990511 is about 368.3798432063.

The spelling of 49990511 in words is "forty-nine million, nine hundred ninety thousand, five hundred eleven".