51732511 has 2 divisors, whose sum is σ = 51732512. Its totient is φ = 51732510.

The previous prime is 51732493. The next prime is 51732523. The reversal of 51732511 is 11523715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51732511 - 2¹⁷ = 51601439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51712511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25866255 + 25866256.

It is an arithmetic number, because the mean of its divisors is an integer number (25866256).

Almost surely, 2^51732511 is an apocalyptic number.

51732511 is a deficient number, since it is larger than the sum of its proper divisors (1).

51732511 is an equidigital number, since it uses as much as digits as its factorization.

51732511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1050, while the sum is 25.

The square root of 51732511 is about 7192.5316127216. The cubic root of 51732511 is about 372.6100114988.

The spelling of 51732511 in words is "fifty-one million, seven hundred thirty-two thousand, five hundred eleven".