50811427 has 2 divisors, whose sum is σ = 50811428. Its totient is φ = 50811426.

The previous prime is 50811407. The next prime is 50811437. The reversal of 50811427 is 72411805.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50811427 is a prime.

It is a super-2 number, since 2×50811427² = 5163602227552658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50811395 and 50811404.

It is not a weakly prime, because it can be changed into another prime (50811407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25405713 + 25405714.

It is an arithmetic number, because the mean of its divisors is an integer number (25405714).

Almost surely, 2^50811427 is an apocalyptic number.

50811427 is a deficient number, since it is larger than the sum of its proper divisors (1).

50811427 is an equidigital number, since it uses as much as digits as its factorization.

50811427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 50811427 is about 7128.2134507884. The cubic root of 50811427 is about 370.3853472513.

It can be divided in two parts, 508 and 11427, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 50811427 in words is "fifty million, eight hundred eleven thousand, four hundred twenty-seven".