53455349999999 has 4 divisors (see below), whose sum is σ = 53519063171280. Its totient is φ = 53391636828720.

The previous prime is 53455349999981. The next prime is 53455350000007. The reversal of 53455349999999 is 99999994355435.

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 53455349999999 - 2⁸ = 53455349999743 is a prime.

It is a Duffinian number.

53455349999999 is a modest number, since divided by 9999999 gives 5345534 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53455349999959) 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, 31856584382 + ... + 31856586059.

It is an arithmetic number, because the mean of its divisors is an integer number (13379765792820).

Almost surely, 2^{53455349999999} is an apocalyptic number.

53455349999999 is a deficient number, since it is larger than the sum of its proper divisors (63713171281).

53455349999999 is an equidigital number, since it uses as much as digits as its factorization.

53455349999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63713171280.

The product of its digits is 86093442000, while the sum is 92.

The spelling of 53455349999999 in words is "fifty-three trillion, four hundred fifty-five billion, three hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".