53164208728 has 16 divisors (see below), whose sum is σ = 104016930480. Its totient is φ = 25426360608.

The previous prime is 53164208683. The next prime is 53164208737. The reversal of 53164208728 is 82780246135.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144467775 + ... + 144468142.

It is an arithmetic number, because the mean of its divisors is an integer number (6501058155).

Almost surely, 2^53164208728 is an apocalyptic number.

It is an amenable number.

53164208728 is a deficient number, since it is larger than the sum of its proper divisors (50852721752).

53164208728 is a wasteful number, since it uses less digits than its factorization.

53164208728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288935946 (or 288935942 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 53164208728 in words is "fifty-three billion, one hundred sixty-four million, two hundred eight thousand, seven hundred twenty-eight".