52491583 has 2 divisors, whose sum is σ = 52491584. Its totient is φ = 52491582.

The previous prime is 52491559. The next prime is 52491601. The reversal of 52491583 is 38519425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52491583 - 2²⁵ = 18937151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52491503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26245791 + 26245792.

It is an arithmetic number, because the mean of its divisors is an integer number (26245792).

Almost surely, 2^52491583 is an apocalyptic number.

52491583 is a deficient number, since it is larger than the sum of its proper divisors (1).

52491583 is an equidigital number, since it uses as much as digits as its factorization.

52491583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The square root of 52491583 is about 7245.1075216314. The cubic root of 52491583 is about 374.4236075489.

The spelling of 52491583 in words is "fifty-two million, four hundred ninety-one thousand, five hundred eighty-three".