50997619 has 2 divisors, whose sum is σ = 50997620. Its totient is φ = 50997618.

The previous prime is 50997589. The next prime is 50997641. The reversal of 50997619 is 91679905.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50997619 - 2¹³ = 50989427 is a prime.

It is a super-2 number, since 2×50997619² = 5201514287338322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50997649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25498809 + 25498810.

It is an arithmetic number, because the mean of its divisors is an integer number (25498810).

Almost surely, 2^50997619 is an apocalyptic number.

50997619 is a deficient number, since it is larger than the sum of its proper divisors (1).

50997619 is an equidigital number, since it uses as much as digits as its factorization.

50997619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 50997619 is about 7141.2617232531. The cubic root of 50997619 is about 370.8372057445.

The spelling of 50997619 in words is "fifty million, nine hundred ninety-seven thousand, six hundred nineteen".