51514969 has 4 divisors (see below), whose sum is σ = 56198160. Its totient is φ = 46831780.

The previous prime is 51514921. The next prime is 51514987. The reversal of 51514969 is 96941515.

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.

It is a cyclic number.

It is not a de Polignac number, because 51514969 - 2¹¹ = 51512921 is a prime.

It is a super-2 number, since 2×51514969² = 5307584062141922, which contains 22 as substring.

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 (51514069) 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 3 ways as a sum of consecutive naturals, for example, 2341579 + ... + 2341600.

It is an arithmetic number, because the mean of its divisors is an integer number (14049540).

Almost surely, 2^51514969 is an apocalyptic number.

It is an amenable number.

51514969 is a deficient number, since it is larger than the sum of its proper divisors (4683191).

51514969 is a wasteful number, since it uses less digits than its factorization.

51514969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683190.

The product of its digits is 48600, while the sum is 40.

The square root of 51514969 is about 7177.3929110785. The cubic root of 51514969 is about 372.0869863447.

The spelling of 51514969 in words is "fifty-one million, five hundred fourteen thousand, nine hundred sixty-nine".