55733748638939 has 6 divisors (see below), whose sum is σ = 64833136171884. Its totient is φ = 47771784547620.

The previous prime is 55733748638927. The next prime is 55733748638959. The reversal of 55733748638939 is 93983684733755.

It is a de Polignac number, because none of the positive numbers 2^k-55733748638939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55733748638959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568711720757 + ... + 568711720854.

It is an arithmetic number, because the mean of its divisors is an integer number (10805522695314).

Almost surely, 2^{55733748638939} is an apocalyptic number.

55733748638939 is a deficient number, since it is larger than the sum of its proper divisors (9099387532945).

55733748638939 is a wasteful number, since it uses less digits than its factorization.

55733748638939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137423441625 (or 1137423441618 counting only the distinct ones).

The product of its digits is 12345177600, while the sum is 80.

The spelling of 55733748638939 in words is "fifty-five trillion, seven hundred thirty-three billion, seven hundred forty-eight million, six hundred thirty-eight thousand, nine hundred thirty-nine".