52040756909 has 8 divisors (see below), whose sum is σ = 53262819840. Its totient is φ = 50823477936.

The previous prime is 52040756899. The next prime is 52040756917. The reversal of 52040756909 is 90965704025.

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 52040756909 - 2⁸ = 52040756653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52040756309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173974 + ... + 1217495.

It is an arithmetic number, because the mean of its divisors is an integer number (6657852480).

Almost surely, 2^52040756909 is an apocalyptic number.

It is an amenable number.

52040756909 is a deficient number, since it is larger than the sum of its proper divisors (1222062931).

52040756909 is a wasteful number, since it uses less digits than its factorization.

52040756909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391979.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 52040756909 in words is "fifty-two billion, forty million, seven hundred fifty-six thousand, nine hundred nine".