53565344356535 has 12 divisors (see below), whose sum is σ = 70653131895864. Its totient is φ = 38956614077040.

The previous prime is 53565344356481. The next prime is 53565344356591.

53565344356535 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53565344356535 - 2¹⁸ = 53565344094391 is a prime.

It is a super-2 number, since 2×53565344356535² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44268879029 + ... + 44268880238.

It is an arithmetic number, because the mean of its divisors is an integer number (5887760991322).

Almost surely, 2^{53565344356535} is an apocalyptic number.

53565344356535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53565344356535 is a deficient number, since it is larger than the sum of its proper divisors (17087787539329).

53565344356535 is a wasteful number, since it uses less digits than its factorization.

53565344356535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88537759294 (or 88537759283 counting only the distinct ones).

The product of its digits is 729000000, while the sum is 62.

The spelling of 53565344356535 in words is "fifty-three trillion, five hundred sixty-five billion, three hundred forty-four million, three hundred fifty-six thousand, five hundred thirty-five".