53112471551999 has 16 divisors (see below), whose sum is σ = 54280075344000. Its totient is φ = 51957283023360.

The previous prime is 53112471551987. The next prime is 53112471552059. The reversal of 53112471551999 is 99915517421135.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53112471551999 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 (53112471551099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302063489 + ... + 302239269.

It is an arithmetic number, because the mean of its divisors is an integer number (3392504709000).

Almost surely, 2^{53112471551999} is an apocalyptic number.

53112471551999 is a deficient number, since it is larger than the sum of its proper divisors (1167603792001).

53112471551999 is a wasteful number, since it uses less digits than its factorization.

53112471551999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211058.

The product of its digits is 15309000, while the sum is 62.

The spelling of 53112471551999 in words is "fifty-three trillion, one hundred twelve billion, four hundred seventy-one million, five hundred fifty-one thousand, nine hundred ninety-nine".