51133886 has 8 divisors (see below), whose sum is σ = 76802880. Its totient is φ = 25532928.

The previous prime is 51133879. The next prime is 51133891. The reversal of 51133886 is 68833115.

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

It is a super-2 number, since 2×51133886² = 5229348594921992, which contains 22 as substring.

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, 15086 + ... + 18161.

It is an arithmetic number, because the mean of its divisors is an integer number (9600360).

Almost surely, 2^51133886 is an apocalyptic number.

51133886 is a deficient number, since it is larger than the sum of its proper divisors (25668994).

51133886 is a wasteful number, since it uses less digits than its factorization.

51133886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34018.

The product of its digits is 17280, while the sum is 35.

The square root of 51133886 is about 7150.7961794474. The cubic root of 51133886 is about 371.1672076335.

The spelling of 51133886 in words is "fifty-one million, one hundred thirty-three thousand, eight hundred eighty-six".