51367427 has 4 divisors (see below), whose sum is σ = 51822120. Its totient is φ = 50912736.

The previous prime is 51367411. The next prime is 51367453. The reversal of 51367427 is 72476315.

51367427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51367427 - 2⁴ = 51367411 is a prime.

It is a super-2 number, since 2×51367427² = 5277225113200658, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (51367457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227177 + ... + 227402.

It is an arithmetic number, because the mean of its divisors is an integer number (12955530).

Almost surely, 2^51367427 is an apocalyptic number.

51367427 is a deficient number, since it is larger than the sum of its proper divisors (454693).

51367427 is a wasteful number, since it uses less digits than its factorization.

51367427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454692.

The product of its digits is 35280, while the sum is 35.

The square root of 51367427 is about 7167.1072965318. The cubic root of 51367427 is about 371.7314200980.

The spelling of 51367427 in words is "fifty-one million, three hundred sixty-seven thousand, four hundred twenty-seven".