52256891 has 2 divisors, whose sum is σ = 52256892. Its totient is φ = 52256890.

The previous prime is 52256879. The next prime is 52256909. The reversal of 52256891 is 19865225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52256891 - 2¹⁰ = 52255867 is a prime.

It is not a weakly prime, because it can be changed into another prime (52256801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26128445 + 26128446.

It is an arithmetic number, because the mean of its divisors is an integer number (26128446).

Almost surely, 2^52256891 is an apocalyptic number.

52256891 is a deficient number, since it is larger than the sum of its proper divisors (1).

52256891 is an equidigital number, since it uses as much as digits as its factorization.

52256891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 52256891 is about 7228.8927921225. The cubic root of 52256891 is about 373.8647527788.

The spelling of 52256891 in words is "fifty-two million, two hundred fifty-six thousand, eight hundred ninety-one".