39391000055 has 48 divisors (see below), whose sum is σ = 52425727200. Its totient is φ = 28390897920.

The previous prime is 39391000031. The next prime is 39391000069. The reversal of 39391000055 is 55000019393.

It is not a de Polignac number, because 39391000055 - 2³⁴ = 22211130871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39390999979 and 39391000024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41595092 + ... + 41596038.

It is an arithmetic number, because the mean of its divisors is an integer number (1092202650).

Almost surely, 2^39391000055 is an apocalyptic number.

39391000055 is a deficient number, since it is larger than the sum of its proper divisors (13034727145).

39391000055 is a wasteful number, since it uses less digits than its factorization.

39391000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 35.

The spelling of 39391000055 in words is "thirty-nine billion, three hundred ninety-one million, fifty-five", and thus it is an aban number.