39555061 has 16 divisors (see below), whose sum is σ = 49279104. Its totient is φ = 30913344.

The previous prime is 39555029. The next prime is 39555067. The reversal of 39555061 is 16055593.

It is not a de Polignac number, because 39555061 - 2⁵ = 39555029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39555067) 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 15 ways as a sum of consecutive naturals, for example, 4935 + ... + 10171.

It is an arithmetic number, because the mean of its divisors is an integer number (3079944).

Almost surely, 2^39555061 is an apocalyptic number.

It is an amenable number.

39555061 is a deficient number, since it is larger than the sum of its proper divisors (9724043).

39555061 is a wasteful number, since it uses less digits than its factorization.

39555061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 39555061 is about 6289.2814374935. The cubic root of 39555061 is about 340.7224000115.

The spelling of 39555061 in words is "thirty-nine million, five hundred fifty-five thousand, sixty-one".