39959552 has 22 divisors (see below), whose sum is σ = 79882128. Its totient is φ = 19979264.

The previous prime is 39959497. The next prime is 39959561. The reversal of 39959552 is 25595993.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 39959497 and 39959506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18488 + ... + 20535.

Almost surely, 2^39959552 is an apocalyptic number.

39959552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39959552 is a deficient number, since it is larger than the sum of its proper divisors (39922576).

39959552 is an equidigital number, since it uses as much as digits as its factorization.

39959552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39043 (or 39025 counting only the distinct ones).

The product of its digits is 546750, while the sum is 47.

The square root of 39959552 is about 6321.3568163805. The cubic root of 39959552 is about 341.8798752796.

The spelling of 39959552 in words is "thirty-nine million, nine hundred fifty-nine thousand, five hundred fifty-two".