50764991 has 2 divisors, whose sum is σ = 50764992. Its totient is φ = 50764990.

The previous prime is 50764969. The next prime is 50764997. The reversal of 50764991 is 19946705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50764991 - 2¹⁸ = 50502847 is a prime.

It is a super-2 number, since 2×50764991² = 5154168622460162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50764997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25382495 + 25382496.

It is an arithmetic number, because the mean of its divisors is an integer number (25382496).

Almost surely, 2^50764991 is an apocalyptic number.

50764991 is a deficient number, since it is larger than the sum of its proper divisors (1).

50764991 is an equidigital number, since it uses as much as digits as its factorization.

50764991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 50764991 is about 7124.9555086330. The cubic root of 50764991 is about 370.2724825077.

The spelling of 50764991 in words is "fifty million, seven hundred sixty-four thousand, nine hundred ninety-one".