53838261388 has 24 divisors (see below), whose sum is σ = 97873675200. Its totient is φ = 25882123008.

The previous prime is 53838261361. The next prime is 53838261427. The reversal of 53838261388 is 88316283835.

It is a super-2 number, since 2×53838261388² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 943245 + ... + 998692.

It is an arithmetic number, because the mean of its divisors is an integer number (4078069800).

Almost surely, 2^53838261388 is an apocalyptic number.

53838261388 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

53838261388 is a deficient number, since it is larger than the sum of its proper divisors (44035413812).

53838261388 is a wasteful number, since it uses less digits than its factorization.

53838261388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942209 (or 1942207 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 55.

The spelling of 53838261388 in words is "fifty-three billion, eight hundred thirty-eight million, two hundred sixty-one thousand, three hundred eighty-eight".