52587091 has 2 divisors, whose sum is σ = 52587092. Its totient is φ = 52587090.

The previous prime is 52587071. The next prime is 52587097. The reversal of 52587091 is 19078525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52587091 - 2²⁵ = 19032659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52587091.

It is not a weakly prime, because it can be changed into another prime (52587097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26293545 + 26293546.

It is an arithmetic number, because the mean of its divisors is an integer number (26293546).

Almost surely, 2^52587091 is an apocalyptic number.

52587091 is a deficient number, since it is larger than the sum of its proper divisors (1).

52587091 is an equidigital number, since it uses as much as digits as its factorization.

52587091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 52587091 is about 7251.6957327235. The cubic root of 52587091 is about 374.6505568435.

It can be divided in two parts, 525 and 87091, that added together give a square (87616 = 296²).

The spelling of 52587091 in words is "fifty-two million, five hundred eighty-seven thousand, ninety-one".