53243552655 has 48 divisors (see below), whose sum is σ = 98477015520. Its totient is φ = 26533453824.

The previous prime is 53243552647. The next prime is 53243552671. The reversal of 53243552655 is 55625534235.

It is a happy number.

53243552655 is a `hidden beast` number, since 5 + 3 + 2 + 43 + 552 + 6 + 55 = 666.

It is not a de Polignac number, because 53243552655 - 2³ = 53243552647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53243552655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 364114 + ... + 488943.

It is an arithmetic number, because the mean of its divisors is an integer number (2051604490).

Almost surely, 2^53243552655 is an apocalyptic number.

53243552655 is a deficient number, since it is larger than the sum of its proper divisors (45233462865).

53243552655 is a wasteful number, since it uses less digits than its factorization.

53243552655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853160 (or 853157 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 45.

The spelling of 53243552655 in words is "fifty-three billion, two hundred forty-three million, five hundred fifty-two thousand, six hundred fifty-five".