53305574399 has 32 divisors (see below), whose sum is σ = 67382353920. Its totient is φ = 40963644000.

The previous prime is 53305574389. The next prime is 53305574423. The reversal of 53305574399 is 99347550335.

It is a happy number.

It is a Cunningham number, because it is equal to 230880²-1.

It is a cyclic number.

It is not a de Polignac number, because 53305574399 - 2⁸ = 53305574143 is a prime.

It is a super-2 number, since 2×53305574399² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53305574399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53305574359) 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 31 ways as a sum of consecutive naturals, for example, 1599662 + ... + 1632644.

It is an arithmetic number, because the mean of its divisors is an integer number (2105698560).

Almost surely, 2^53305574399 is an apocalyptic number.

53305574399 is a deficient number, since it is larger than the sum of its proper divisors (14076779521).

53305574399 is a wasteful number, since it uses less digits than its factorization.

53305574399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33291.

The product of its (nonzero) digits is 7654500, while the sum is 53.

The spelling of 53305574399 in words is "fifty-three billion, three hundred five million, five hundred seventy-four thousand, three hundred ninety-nine".