53086399621 has 8 divisors (see below), whose sum is σ = 53345480288. Its totient is φ = 52827390000.

The previous prime is 53086399591. The next prime is 53086399643. The reversal of 53086399621 is 12699368035.

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 53086399621 - 2⁹ = 53086399109 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 (53086399661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076406 + ... + 2101816.

It is an arithmetic number, because the mean of its divisors is an integer number (6668185036).

Almost surely, 2^53086399621 is an apocalyptic number.

It is an amenable number.

53086399621 is a deficient number, since it is larger than the sum of its proper divisors (259080667).

53086399621 is a wasteful number, since it uses less digits than its factorization.

53086399621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35523.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 53086399621 in words is "fifty-three billion, eighty-six million, three hundred ninety-nine thousand, six hundred twenty-one".