52591264449 has 4 divisors (see below), whose sum is σ = 70121685936. Its totient is φ = 35060842964.

The previous prime is 52591264441. The next prime is 52591264457. The reversal of 52591264449 is 94446219525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52591264441) and next prime (52591264457).

It is a cyclic number.

It is not a de Polignac number, because 52591264449 - 2³ = 52591264441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52591264441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8765210739 + ... + 8765210744.

It is an arithmetic number, because the mean of its divisors is an integer number (17530421484).

Almost surely, 2^52591264449 is an apocalyptic number.

It is an amenable number.

52591264449 is a deficient number, since it is larger than the sum of its proper divisors (17530421487).

52591264449 is a wasteful number, since it uses less digits than its factorization.

52591264449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17530421486.

The product of its digits is 3110400, while the sum is 51.

The spelling of 52591264449 in words is "fifty-two billion, five hundred ninety-one million, two hundred sixty-four thousand, four hundred forty-nine".