53213812805 has 8 divisors (see below), whose sum is σ = 66632948352. Its totient is φ = 40720134928.

The previous prime is 53213812789. The next prime is 53213812853. The reversal of 53213812805 is 50821831235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53213812805 - 2⁴ = 53213812789 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 7 ways as a sum of consecutive naturals, for example, 231364289 + ... + 231364518.

It is an arithmetic number, because the mean of its divisors is an integer number (8329118544).

Almost surely, 2^53213812805 is an apocalyptic number.

It is an amenable number.

53213812805 is a deficient number, since it is larger than the sum of its proper divisors (13419135547).

53213812805 is a wasteful number, since it uses less digits than its factorization.

53213812805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462728835.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 53213812805 in words is "fifty-three billion, two hundred thirteen million, eight hundred twelve thousand, eight hundred five".