51650797 has 12 divisors (see below), whose sum is σ = 59472576. Its totient is φ = 44480520.

The previous prime is 51650789. The next prime is 51650813. The reversal of 51650797 is 79705615.

It is not a de Polignac number, because 51650797 - 2³ = 51650789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51650737) 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 11 ways as a sum of consecutive naturals, for example, 2533 + ... + 10474.

It is an arithmetic number, because the mean of its divisors is an integer number (4956048).

Almost surely, 2^51650797 is an apocalyptic number.

It is an amenable number.

51650797 is a deficient number, since it is larger than the sum of its proper divisors (7821779).

51650797 is a wasteful number, since it uses less digits than its factorization.

51650797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13056 (or 13037 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 51650797 is about 7186.8488922476. The cubic root of 51650797 is about 372.4137229429.

The spelling of 51650797 in words is "fifty-one million, six hundred fifty thousand, seven hundred ninety-seven".