51267286 has 8 divisors (see below), whose sum is σ = 87886800. Its totient is φ = 21971688.

The previous prime is 51267277. The next prime is 51267289. The reversal of 51267286 is 68276215.

It is a happy number.

51267286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51267286² = 5256669227611592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51267289) 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, 1830961 + ... + 1830988.

It is an arithmetic number, because the mean of its divisors is an integer number (10985850).

Almost surely, 2^51267286 is an apocalyptic number.

51267286 is a deficient number, since it is larger than the sum of its proper divisors (36619514).

51267286 is a wasteful number, since it uses less digits than its factorization.

51267286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661958.

The product of its digits is 40320, while the sum is 37.

The square root of 51267286 is about 7160.1177364622. The cubic root of 51267286 is about 371.4896989983.

The spelling of 51267286 in words is "fifty-one million, two hundred sixty-seven thousand, two hundred eighty-six".