52556087 has 2 divisors, whose sum is σ = 52556088. Its totient is φ = 52556086.

The previous prime is 52555999. The next prime is 52556089. The reversal of 52556087 is 78065525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52556087 is a prime.

Together with 52556089, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52556087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52556089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26278043 + 26278044.

It is an arithmetic number, because the mean of its divisors is an integer number (26278044).

Almost surely, 2^52556087 is an apocalyptic number.

52556087 is a deficient number, since it is larger than the sum of its proper divisors (1).

52556087 is an equidigital number, since it uses as much as digits as its factorization.

52556087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 52556087 is about 7249.5577106469. The cubic root of 52556087 is about 374.5769142494.

The spelling of 52556087 in words is "fifty-two million, five hundred fifty-six thousand, eighty-seven".