53645242622399 has 16 divisors (see below), whose sum is σ = 55801191504000. Its totient is φ = 51526661082624.

The previous prime is 53645242622369. The next prime is 53645242622401. The reversal of 53645242622399 is 99322624254635.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53645242622399 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 (53645242622339) 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, 17427509 + ... + 20273345.

It is an arithmetic number, because the mean of its divisors is an integer number (3487574469000).

Almost surely, 2^{53645242622399} is an apocalyptic number.

53645242622399 is a deficient number, since it is larger than the sum of its proper divisors (2155948881601).

53645242622399 is a wasteful number, since it uses less digits than its factorization.

53645242622399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852402.

The product of its digits is 167961600, while the sum is 62.

The spelling of 53645242622399 in words is "fifty-three trillion, six hundred forty-five billion, two hundred forty-two million, six hundred twenty-two thousand, three hundred ninety-nine".