53805889929691 has 16 divisors (see below), whose sum is σ = 55449028825344. Its totient is φ = 52172749417824.

The previous prime is 53805889929689. The next prime is 53805889929707. The reversal of 53805889929691 is 19692998850835.

It is a cyclic number.

It is not a de Polignac number, because 53805889929691 - 2¹ = 53805889929689 is a prime.

It is a super-2 number, since 2×53805889929691² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53805889923691) 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, 70763256 + ... + 71519578.

It is an arithmetic number, because the mean of its divisors is an integer number (3465564301584).

Almost surely, 2^{53805889929691} is an apocalyptic number.

53805889929691 is a deficient number, since it is larger than the sum of its proper divisors (1643138895653).

53805889929691 is a wasteful number, since it uses less digits than its factorization.

53805889929691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762930.

The product of its (nonzero) digits is 3023308800, while the sum is 82.

The spelling of 53805889929691 in words is "fifty-three trillion, eight hundred five billion, eight hundred eighty-nine million, nine hundred twenty-nine thousand, six hundred ninety-one".