51580791 has 12 divisors (see below), whose sum is σ = 74580480. Its totient is φ = 34352640.

The previous prime is 51580783. The next prime is 51580799. The reversal of 51580791 is 19708515.

51580791 is a `hidden beast` number, since 5 + 1 + 580 + 79 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (51580783) and next prime (51580799).

It is not a de Polignac number, because 51580791 - 2³ = 51580783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51580799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9271 + ... + 13751.

It is an arithmetic number, because the mean of its divisors is an integer number (6215040).

Almost surely, 2^51580791 is an apocalyptic number.

51580791 is a deficient number, since it is larger than the sum of its proper divisors (22999689).

51580791 is a wasteful number, since it uses less digits than its factorization.

51580791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766 (or 5763 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 51580791 is about 7181.9768170052. The cubic root of 51580791 is about 372.2453939322.

The spelling of 51580791 in words is "fifty-one million, five hundred eighty thousand, seven hundred ninety-one".