53884336788 has 18 divisors (see below), whose sum is σ = 136207629194. Its totient is φ = 17961445584.

The previous prime is 53884336757. The next prime is 53884336789. The reversal of 53884336788 is 88763348835.

It is a happy number.

53884336788 is a `hidden beast` number, since 53 + 88 + 433 + 6 + 78 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34803887364 + 19080449424 = 186558^2 + 138132^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×53884336788² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53884336789) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 748393531 + ... + 748393602.

Almost surely, 2^53884336788 is an apocalyptic number.

It is an amenable number.

53884336788 is an abundant number, since it is smaller than the sum of its proper divisors (82323292406).

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

53884336788 is a wasteful number, since it uses less digits than its factorization.

53884336788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496787143 (or 1496787138 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 53884336788 in words is "fifty-three billion, eight hundred eighty-four million, three hundred thirty-six thousand, seven hundred eighty-eight".