53445599879 has 16 divisors (see below), whose sum is σ = 63070586880. Its totient is φ = 44319005280.

The previous prime is 53445599873. The next prime is 53445599887. The reversal of 53445599879 is 97899554435.

It is a cyclic number.

It is not a de Polignac number, because 53445599879 - 2¹⁶ = 53445534343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445599873) 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 15 ways as a sum of consecutive naturals, for example, 695432 + ... + 768450.

It is an arithmetic number, because the mean of its divisors is an integer number (3941911680).

Almost surely, 2^53445599879 is an apocalyptic number.

53445599879 is a deficient number, since it is larger than the sum of its proper divisors (9624987001).

53445599879 is a wasteful number, since it uses less digits than its factorization.

53445599879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76430.

The product of its digits is 244944000, while the sum is 68.

The spelling of 53445599879 in words is "fifty-three billion, four hundred forty-five million, five hundred ninety-nine thousand, eight hundred seventy-nine".