51262286 has 4 divisors (see below), whose sum is σ = 76893432. Its totient is φ = 25631142.

The previous prime is 51262273. The next prime is 51262291. The reversal of 51262286 is 68226215.

51262286 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 Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12815570 + ... + 12815573.

It is an arithmetic number, because the mean of its divisors is an integer number (19223358).

Almost surely, 2^51262286 is an apocalyptic number.

51262286 is a deficient number, since it is larger than the sum of its proper divisors (25631146).

51262286 is a wasteful number, since it uses less digits than its factorization.

51262286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25631145.

The product of its digits is 11520, while the sum is 32.

The square root of 51262286 is about 7159.7685716788. The cubic root of 51262286 is about 371.4776217132.

The spelling of 51262286 in words is "fifty-one million, two hundred sixty-two thousand, two hundred eighty-six".