51528767 has 2 divisors, whose sum is σ = 51528768. Its totient is φ = 51528766.

The previous prime is 51528733. The next prime is 51528781. The reversal of 51528767 is 76782515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51528767 - 2⁸ = 51528511 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51528787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25764383 + 25764384.

It is an arithmetic number, because the mean of its divisors is an integer number (25764384).

Almost surely, 2^51528767 is an apocalyptic number.

51528767 is a deficient number, since it is larger than the sum of its proper divisors (1).

51528767 is an equidigital number, since it uses as much as digits as its factorization.

51528767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 41.

The square root of 51528767 is about 7178.3540592534. The cubic root of 51528767 is about 372.1202038608.

The spelling of 51528767 in words is "fifty-one million, five hundred twenty-eight thousand, seven hundred sixty-seven".