51270286 has 8 divisors (see below), whose sum is σ = 76936320. Its totient is φ = 25624848.

The previous prime is 51270277. The next prime is 51270293. The reversal of 51270286 is 68207215.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5395 + ... + 11473.

It is an arithmetic number, because the mean of its divisors is an integer number (9617040).

Almost surely, 2^51270286 is an apocalyptic number.

51270286 is a deficient number, since it is larger than the sum of its proper divisors (25666034).

51270286 is a wasteful number, since it uses less digits than its factorization.

51270286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 51270286 is about 7160.3272271594. The cubic root of 51270286 is about 371.4969449924.

The spelling of 51270286 in words is "fifty-one million, two hundred seventy thousand, two hundred eighty-six".