51396233 has 16 divisors (see below), whose sum is σ = 60948480. Its totient is φ = 42411600.

The previous prime is 51396229. The next prime is 51396263. The reversal of 51396233 is 33269315.

51396233 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 51396233 - 2² = 51396229 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51396233.

It is not an unprimeable number, because it can be changed into a prime (51396203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51368 + ... + 52358.

It is an arithmetic number, because the mean of its divisors is an integer number (3809280).

Almost surely, 2^51396233 is an apocalyptic number.

It is an amenable number.

51396233 is a deficient number, since it is larger than the sum of its proper divisors (9552247).

51396233 is a wasteful number, since it uses less digits than its factorization.

51396233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268.

The product of its digits is 14580, while the sum is 32.

The square root of 51396233 is about 7169.1166122473. The cubic root of 51396233 is about 371.8008940487.

The spelling of 51396233 in words is "fifty-one million, three hundred ninety-six thousand, two hundred thirty-three".