51104233 has 4 divisors (see below), whose sum is σ = 51120720. Its totient is φ = 51087748.

The previous prime is 51104219. The next prime is 51104239. The reversal of 51104233 is 33240115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33240115 = 5 ⋅6648023.

It is a cyclic number.

It is not a de Polignac number, because 51104233 - 2⁵ = 51104201 is a prime.

It is a super-2 number, since 2×51104233² = 5223285261036578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51104233.

It is not an unprimeable number, because it can be changed into a prime (51104239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (12780180).

Almost surely, 2^51104233 is an apocalyptic number.

It is an amenable number.

51104233 is a deficient number, since it is larger than the sum of its proper divisors (16487).

51104233 is a wasteful number, since it uses less digits than its factorization.

51104233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51104233 is about 7148.7224732815. The cubic root of 51104233 is about 371.0954460269.

Adding to 51104233 its reverse (33240115), we get a palindrome (84344348).

The spelling of 51104233 in words is "fifty-one million, one hundred four thousand, two hundred thirty-three".