53245198591 has 4 divisors (see below), whose sum is σ = 57340983112. Its totient is φ = 49149414072.

The previous prime is 53245198579. The next prime is 53245198597. The reversal of 53245198591 is 19589154235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53245198591 - 2²⁵ = 53211644159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53245198597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2047892241 + ... + 2047892266.

It is an arithmetic number, because the mean of its divisors is an integer number (14335245778).

Almost surely, 2^53245198591 is an apocalyptic number.

53245198591 is a deficient number, since it is larger than the sum of its proper divisors (4095784521).

53245198591 is a wasteful number, since it uses less digits than its factorization.

53245198591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095784520.

The product of its digits is 1944000, while the sum is 52.

The spelling of 53245198591 in words is "fifty-three billion, two hundred forty-five million, one hundred ninety-eight thousand, five hundred ninety-one".