51957511 has 2 divisors, whose sum is σ = 51957512. Its totient is φ = 51957510.

The previous prime is 51957469. The next prime is 51957551. The reversal of 51957511 is 11575915.

It is a happy number.

51957511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51957511 - 2⁷ = 51957383 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51957551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25978755 + 25978756.

It is an arithmetic number, because the mean of its divisors is an integer number (25978756).

Almost surely, 2^51957511 is an apocalyptic number.

51957511 is a deficient number, since it is larger than the sum of its proper divisors (1).

51957511 is an equidigital number, since it uses as much as digits as its factorization.

51957511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7875, while the sum is 34.

The square root of 51957511 is about 7208.1558667942. The cubic root of 51957511 is about 373.1494272966.

The spelling of 51957511 in words is "fifty-one million, nine hundred fifty-seven thousand, five hundred eleven".