51496769 has 8 divisors (see below), whose sum is σ = 52641792. Its totient is φ = 50364400.

The previous prime is 51496759. The next prime is 51496771. The reversal of 51496769 is 96769415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51496769 - 2²⁰ = 50448193 is a prime.

It is a super-2 number, since 2×51496769² = 5303834434878722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51496729) 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 7 ways as a sum of consecutive naturals, for example, 5312 + ... + 11454.

It is an arithmetic number, because the mean of its divisors is an integer number (6580224).

Almost surely, 2^51496769 is an apocalyptic number.

It is an amenable number.

51496769 is a deficient number, since it is larger than the sum of its proper divisors (1145023).

51496769 is a wasteful number, since it uses less digits than its factorization.

51496769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6327.

The product of its digits is 408240, while the sum is 47.

The square root of 51496769 is about 7176.1249292358. The cubic root of 51496769 is about 372.0431623136.

The spelling of 51496769 in words is "fifty-one million, four hundred ninety-six thousand, seven hundred sixty-nine".