51797559 has 24 divisors (see below), whose sum is σ = 78378496. Its totient is φ = 30373200.

The previous prime is 51797549. The next prime is 51797569. The reversal of 51797559 is 95579715.

It is an interprime number because it is at equal distance from previous prime (51797549) and next prime (51797569).

It is not a de Polignac number, because 51797559 - 2⁵ = 51797527 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 (51797539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8952 + ... + 13554.

Almost surely, 2^51797559 is an apocalyptic number.

51797559 is a deficient number, since it is larger than the sum of its proper divisors (26580937).

51797559 is a wasteful number, since it uses less digits than its factorization.

51797559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659 (or 4648 counting only the distinct ones).

The product of its digits is 496125, while the sum is 48.

The square root of 51797559 is about 7197.0521048552. The cubic root of 51797559 is about 372.7661182613.

The spelling of 51797559 in words is "fifty-one million, seven hundred ninety-seven thousand, five hundred fifty-nine".