53662172436645 has 32 divisors (see below), whose sum is σ = 86033240035200. Its totient is φ = 28561910571264.

The previous prime is 53662172436623. The next prime is 53662172436673. The reversal of 53662172436645 is 54663427126635.

It is a happy number.

53662172436645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53662172436645 - 2¹³ = 53662172428453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134810971 + ... + 135208439.

It is an arithmetic number, because the mean of its divisors is an integer number (2688538751100).

Almost surely, 2^{53662172436645} is an apocalyptic number.

It is an amenable number.

53662172436645 is a deficient number, since it is larger than the sum of its proper divisors (32371067598555).

53662172436645 is a wasteful number, since it uses less digits than its factorization.

53662172436645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415669.

The product of its digits is 130636800, while the sum is 60.

The spelling of 53662172436645 in words is "fifty-three trillion, six hundred sixty-two billion, one hundred seventy-two million, four hundred thirty-six thousand, six hundred forty-five".