53123385599 has 4 divisors (see below), whose sum is σ = 53156321736. Its totient is φ = 53090449464.

The previous prime is 53123385587. The next prime is 53123385611. The reversal of 53123385599 is 99558332135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99558332135 = 5 ⋅19911666427.

It is an interprime number because it is at equal distance from previous prime (53123385587) and next prime (53123385611).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53123385599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53123385599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53123385199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16465649 + ... + 16468874.

It is an arithmetic number, because the mean of its divisors is an integer number (13289080434).

Almost surely, 2^53123385599 is an apocalyptic number.

53123385599 is a deficient number, since it is larger than the sum of its proper divisors (32936137).

53123385599 is a wasteful number, since it uses less digits than its factorization.

53123385599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32936136.

The product of its digits is 4374000, while the sum is 53.

The spelling of 53123385599 in words is "fifty-three billion, one hundred twenty-three million, three hundred eighty-five thousand, five hundred ninety-nine".