51442233 has 16 divisors (see below), whose sum is σ = 70825920. Its totient is φ = 33191424.

The previous prime is 51442219. The next prime is 51442243. The reversal of 51442233 is 33224415.

It is not a de Polignac number, because 51442233 - 2⁶ = 51442169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51442243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12813 + ... + 16341.

It is an arithmetic number, because the mean of its divisors is an integer number (4426620).

Almost surely, 2^51442233 is an apocalyptic number.

It is an amenable number.

51442233 is a deficient number, since it is larger than the sum of its proper divisors (19383687).

51442233 is a wasteful number, since it uses less digits than its factorization.

51442233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688.

The product of its digits is 2880, while the sum is 24.

The square root of 51442233 is about 7172.3241003178. The cubic root of 51442233 is about 371.9117824691.

Adding to 51442233 its reverse (33224415), we get a palindrome (84666648).

The spelling of 51442233 in words is "fifty-one million, four hundred forty-two thousand, two hundred thirty-three".