53551553113 has 4 divisors (see below), whose sum is σ = 53942440500. Its totient is φ = 53160665728.

The previous prime is 53551553059. The next prime is 53551553123. The reversal of 53551553113 is 31135515535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41594786704 + 11956766409 = 203948^2 + 109347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53551553113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53551553123) by changing a digit.

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, 195443488 + ... + 195443761.

It is an arithmetic number, because the mean of its divisors is an integer number (13485610125).

Almost surely, 2^53551553113 is an apocalyptic number.

It is an amenable number.

53551553113 is a deficient number, since it is larger than the sum of its proper divisors (390887387).

53551553113 is a wasteful number, since it uses less digits than its factorization.

53551553113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390887386.

The product of its digits is 84375, while the sum is 37.

The spelling of 53551553113 in words is "fifty-three billion, five hundred fifty-one million, five hundred fifty-three thousand, one hundred thirteen".