51334897 has 4 divisors (see below), whose sum is σ = 52205040. Its totient is φ = 50464756.

The previous prime is 51334889. The next prime is 51334937. The reversal of 51334897 is 79843315.

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: 79843315 = 5 ⋅15968663.

It is a cyclic number.

It is not a de Polignac number, because 51334897 - 2³ = 51334889 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51334807) 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, 434983 + ... + 435100.

It is an arithmetic number, because the mean of its divisors is an integer number (13051260).

Almost surely, 2^51334897 is an apocalyptic number.

It is an amenable number.

51334897 is a deficient number, since it is larger than the sum of its proper divisors (870143).

51334897 is an equidigital number, since it uses as much as digits as its factorization.

51334897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870142.

The product of its digits is 90720, while the sum is 40.

The square root of 51334897 is about 7164.8375417730. The cubic root of 51334897 is about 371.6529334166.

The spelling of 51334897 in words is "fifty-one million, three hundred thirty-four thousand, eight hundred ninety-seven".