51797527 has 2 divisors, whose sum is σ = 51797528. Its totient is φ = 51797526.

The previous prime is 51797513. The next prime is 51797539. The reversal of 51797527 is 72579715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51797527 - 2⁷ = 51797399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51797507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25898763 + 25898764.

It is an arithmetic number, because the mean of its divisors is an integer number (25898764).

Almost surely, 2^51797527 is an apocalyptic number.

51797527 is a deficient number, since it is larger than the sum of its proper divisors (1).

51797527 is an equidigital number, since it uses as much as digits as its factorization.

51797527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154350, while the sum is 43.

The square root of 51797527 is about 7197.0498817224. The cubic root of 51797527 is about 372.7660414976.

The spelling of 51797527 in words is "fifty-one million, seven hundred ninety-seven thousand, five hundred twenty-seven".