52688047 has 2 divisors, whose sum is σ = 52688048. Its totient is φ = 52688046.

The previous prime is 52688033. The next prime is 52688071. The reversal of 52688047 is 74088625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52688047 - 2⁷ = 52687919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52688017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26344023 + 26344024.

It is an arithmetic number, because the mean of its divisors is an integer number (26344024).

Almost surely, 2^52688047 is an apocalyptic number.

52688047 is a deficient number, since it is larger than the sum of its proper divisors (1).

52688047 is an equidigital number, since it uses as much as digits as its factorization.

52688047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 52688047 is about 7258.6532497427. The cubic root of 52688047 is about 374.8901533078.

The spelling of 52688047 in words is "fifty-two million, six hundred eighty-eight thousand, forty-seven".