53994085836 has 12 divisors (see below), whose sum is σ = 125986200312. Its totient is φ = 17998028608.

The previous prime is 53994085813. The next prime is 53994085877. The reversal of 53994085836 is 63858049935.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×53994085836² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53994085836.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2249753565 + ... + 2249753588.

It is an arithmetic number, because the mean of its divisors is an integer number (10498850026).

Almost surely, 2^53994085836 is an apocalyptic number.

It is an amenable number.

53994085836 is an abundant number, since it is smaller than the sum of its proper divisors (71992114476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53994085836 is a wasteful number, since it uses less digits than its factorization.

53994085836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499507160 (or 4499507158 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 53994085836 in words is "fifty-three billion, nine hundred ninety-four million, eighty-five thousand, eight hundred thirty-six".