39552005 has 8 divisors (see below), whose sum is σ = 47605272. Its totient is φ = 31546368.

The previous prime is 39551989. The next prime is 39552017. The reversal of 39552005 is 50025593.

It can be written as a sum of positive squares in 4 ways, for example, as 10543009 + 29008996 = 3247^2 + 5386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39552005 - 2⁴ = 39551989 is a prime.

It is a super-2 number, since 2×39552005² = 3128722199040050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10052 + ... + 13421.

It is an arithmetic number, because the mean of its divisors is an integer number (5950659).

Almost surely, 2^39552005 is an apocalyptic number.

It is an amenable number.

39552005 is a deficient number, since it is larger than the sum of its proper divisors (8053267).

39552005 is a wasteful number, since it uses less digits than its factorization.

39552005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23815.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 39552005 is about 6289.0384797678. The cubic root of 39552005 is about 340.7136251169.

Adding to 39552005 its reverse (50025593), we get a palindrome (89577598).

The spelling of 39552005 in words is "thirty-nine million, five hundred fifty-two thousand, five".