39553045 has 16 divisors (see below), whose sum is σ = 55353600. Its totient is φ = 27120912.

The previous prime is 39553039. The next prime is 39553049. The reversal of 39553045 is 54035593.

It is a happy number.

It is not a de Polignac number, because 39553045 - 2¹³ = 39544853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39553045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39553049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9817 + ... + 13246.

It is an arithmetic number, because the mean of its divisors is an integer number (3459600).

Almost surely, 2^39553045 is an apocalyptic number.

39553045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39553045 is a deficient number, since it is larger than the sum of its proper divisors (15800555).

39553045 is an equidigital number, since it uses as much as digits as its factorization.

39553045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23089 (or 23075 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 39553045 is about 6289.1211627699. The cubic root of 39553045 is about 340.7166113883.

The spelling of 39553045 in words is "thirty-nine million, five hundred fifty-three thousand, forty-five".