52655587 has 2 divisors, whose sum is σ = 52655588. Its totient is φ = 52655586.

The previous prime is 52655567. The next prime is 52655591. The reversal of 52655587 is 78555625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52655587 - 2⁷ = 52655459 is a prime.

It is a super-2 number, since 2×52655587² = 5545221684629138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52655527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26327793 + 26327794.

It is an arithmetic number, because the mean of its divisors is an integer number (26327794).

Almost surely, 2^52655587 is an apocalyptic number.

52655587 is a deficient number, since it is larger than the sum of its proper divisors (1).

52655587 is an equidigital number, since it uses as much as digits as its factorization.

52655587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 43.

The square root of 52655587 is about 7256.4169532904. The cubic root of 52655587 is about 374.8131501738.

The spelling of 52655587 in words is "fifty-two million, six hundred fifty-five thousand, five hundred eighty-seven".