53205602494 has 32 divisors (see below), whose sum is σ = 87778658016. Its totient is φ = 23986091520.

The previous prime is 53205602477. The next prime is 53205602497. The reversal of 53205602494 is 49420650235.

It is a super-3 number, since 3×53205602494³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53205602497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3588304 + ... + 3603100.

It is an arithmetic number, because the mean of its divisors is an integer number (2743083063).

Almost surely, 2^53205602494 is an apocalyptic number.

53205602494 is a deficient number, since it is larger than the sum of its proper divisors (34573055522).

53205602494 is a wasteful number, since it uses less digits than its factorization.

53205602494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16140.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 53205602494 in words is "fifty-three billion, two hundred five million, six hundred two thousand, four hundred ninety-four".