53551653343 has 4 divisors (see below), whose sum is σ = 53555024880. Its totient is φ = 53548281808.

The previous prime is 53551653293. The next prime is 53551653347. The reversal of 53551653343 is 34335615535.

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 53551653343 - 2⁹ = 53551652831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53551653343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53551653347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661830 + ... + 1693747.

It is an arithmetic number, because the mean of its divisors is an integer number (13388756220).

Almost surely, 2^53551653343 is an apocalyptic number.

53551653343 is a deficient number, since it is larger than the sum of its proper divisors (3371537).

53551653343 is a wasteful number, since it uses less digits than its factorization.

53551653343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371536.

The product of its digits is 1215000, while the sum is 43.

The spelling of 53551653343 in words is "fifty-three billion, five hundred fifty-one million, six hundred fifty-three thousand, three hundred forty-three".