39955023 has 6 divisors (see below), whose sum is σ = 57712824. Its totient is φ = 26636676.

The previous prime is 39954989. The next prime is 39955031. The reversal of 39955023 is 32055993.

39955023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39955023 - 2⁸ = 39954767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39955093) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2219715 + ... + 2219732.

It is an arithmetic number, because the mean of its divisors is an integer number (9618804).

Almost surely, 2^39955023 is an apocalyptic number.

39955023 is a deficient number, since it is larger than the sum of its proper divisors (17757801).

39955023 is a wasteful number, since it uses less digits than its factorization.

39955023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439453 (or 4439450 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 39955023 is about 6320.9985761745. The cubic root of 39955023 is about 341.8669586145.

The spelling of 39955023 in words is "thirty-nine million, nine hundred fifty-five thousand, twenty-three".