51596437 has 2 divisors, whose sum is σ = 51596438. Its totient is φ = 51596436.

The previous prime is 51596399. The next prime is 51596453. The reversal of 51596437 is 73469515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48804196 + 2792241 = 6986^2 + 1671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51596437 is a prime.

It is a super-2 number, since 2×51596437² = 5324384622189938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51596437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51596477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25798218 + 25798219.

It is an arithmetic number, because the mean of its divisors is an integer number (25798219).

Almost surely, 2^51596437 is an apocalyptic number.

It is an amenable number.

51596437 is a deficient number, since it is larger than the sum of its proper divisors (1).

51596437 is an equidigital number, since it uses as much as digits as its factorization.

51596437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 51596437 is about 7183.0659888379. The cubic root of 51596437 is about 372.2830278558.

The spelling of 51596437 in words is "fifty-one million, five hundred ninety-six thousand, four hundred thirty-seven".