39981053 has 16 divisors (see below), whose sum is σ = 48554880. Its totient is φ = 32187456.

The previous prime is 39981049. The next prime is 39981083. The reversal of 39981053 is 35018993.

It is not a de Polignac number, because 39981053 - 2² = 39981049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39980998 and 39981016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39981043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4850 + ... + 10172.

It is an arithmetic number, because the mean of its divisors is an integer number (3034680).

Almost surely, 2^39981053 is an apocalyptic number.

It is an amenable number.

39981053 is a deficient number, since it is larger than the sum of its proper divisors (8573827).

39981053 is a wasteful number, since it uses less digits than its factorization.

39981053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 39981053 is about 6323.0572510456. The cubic root of 39981053 is about 341.9411826168.

The spelling of 39981053 in words is "thirty-nine million, nine hundred eighty-one thousand, fifty-three".