53551015535 has 4 divisors (see below), whose sum is σ = 64261218648. Its totient is φ = 42840812424.

The previous prime is 53551015517. The next prime is 53551015541.

53551015535 is nontrivially palindromic in base 10.

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 53551015535 - 2²⁸ = 53282580079 is a prime.

It is a super-2 number, since 2×53551015535² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5355101549 + ... + 5355101558.

It is an arithmetic number, because the mean of its divisors is an integer number (16065304662).

Almost surely, 2^53551015535 is an apocalyptic number.

53551015535 is a deficient number, since it is larger than the sum of its proper divisors (10710203113).

53551015535 is a wasteful number, since it uses less digits than its factorization.

53551015535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710203112.

The product of its (nonzero) digits is 140625, while the sum is 38.

The spelling of 53551015535 in words is "fifty-three billion, five hundred fifty-one million, fifteen thousand, five hundred thirty-five".