52220587 has 2 divisors, whose sum is σ = 52220588. Its totient is φ = 52220586.

The previous prime is 52220573. The next prime is 52220591. The reversal of 52220587 is 78502225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52220587 - 2¹⁵ = 52187819 is a prime.

It is not a weakly prime, because it can be changed into another prime (52229587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26110293 + 26110294.

It is an arithmetic number, because the mean of its divisors is an integer number (26110294).

Almost surely, 2^52220587 is an apocalyptic number.

52220587 is a deficient number, since it is larger than the sum of its proper divisors (1).

52220587 is an equidigital number, since it uses as much as digits as its factorization.

52220587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 52220587 is about 7226.3813212423. The cubic root of 52220587 is about 373.7781553940.

The spelling of 52220587 in words is "fifty-two million, two hundred twenty thousand, five hundred eighty-seven".