53118009873 has 32 divisors (see below), whose sum is σ = 78897473280. Its totient is φ = 35320296960.

The previous prime is 53118009869. The next prime is 53118009887. The reversal of 53118009873 is 37890081135.

It is not a de Polignac number, because 53118009873 - 2² = 53118009869 is a prime.

It is a super-2 number, since 2×53118009873² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53118009863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25524193 + ... + 25526273.

It is an arithmetic number, because the mean of its divisors is an integer number (2465546040).

Almost surely, 2^53118009873 is an apocalyptic number.

It is an amenable number.

53118009873 is a deficient number, since it is larger than the sum of its proper divisors (25779463407).

53118009873 is a wasteful number, since it uses less digits than its factorization.

53118009873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 53118009873 in words is "fifty-three billion, one hundred eighteen million, nine thousand, eight hundred seventy-three".