53663115455 has 4 divisors (see below), whose sum is σ = 64395738552. Its totient is φ = 42930492360.

The previous prime is 53663115313. The next prime is 53663115461. The reversal of 53663115455 is 55451136635.

It is a happy number.

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

It is not a de Polignac number, because 53663115455 - 2⁸ = 53663115199 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 5366311541 + ... + 5366311550.

It is an arithmetic number, because the mean of its divisors is an integer number (16098934638).

Almost surely, 2^53663115455 is an apocalyptic number.

53663115455 is a deficient number, since it is larger than the sum of its proper divisors (10732623097).

53663115455 is a wasteful number, since it uses less digits than its factorization.

53663115455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10732623096.

The product of its digits is 810000, while the sum is 44.

The spelling of 53663115455 in words is "fifty-three billion, six hundred sixty-three million, one hundred fifteen thousand, four hundred fifty-five".