53645130373 has 4 divisors (see below), whose sum is σ = 53747702848. Its totient is φ = 53542557900.

The previous prime is 53645130359. The next prime is 53645130377. The reversal of 53645130373 is 37303154635.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53645130373 - 2¹⁷ = 53644999301 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 (53645130377) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51285453 + ... + 51286498.

It is an arithmetic number, because the mean of its divisors is an integer number (13436925712).

Almost surely, 2^53645130373 is an apocalyptic number.

It is an amenable number.

53645130373 is a deficient number, since it is larger than the sum of its proper divisors (102572475).

53645130373 is a wasteful number, since it uses less digits than its factorization.

53645130373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102572474.

The product of its (nonzero) digits is 340200, while the sum is 40.

The spelling of 53645130373 in words is "fifty-three billion, six hundred forty-five million, one hundred thirty thousand, three hundred seventy-three".