53551534511 has 4 divisors (see below), whose sum is σ = 53564565024. Its totient is φ = 53538504000.

The previous prime is 53551534507. The next prime is 53551534529. The reversal of 53551534511 is 11543515535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11543515535 = 5 ⋅2308703107.

It is a cyclic number.

It is not a de Polignac number, because 53551534511 - 2² = 53551534507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53551534541) 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, 6509090 + ... + 6517311.

It is an arithmetic number, because the mean of its divisors is an integer number (13391141256).

Almost surely, 2^53551534511 is an apocalyptic number.

53551534511 is a deficient number, since it is larger than the sum of its proper divisors (13030513).

53551534511 is a wasteful number, since it uses less digits than its factorization.

53551534511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030512.

The product of its digits is 112500, while the sum is 38.

The spelling of 53551534511 in words is "fifty-three billion, five hundred fifty-one million, five hundred thirty-four thousand, five hundred eleven".