52356749509 has 8 divisors (see below), whose sum is σ = 53223236352. Its totient is φ = 51490526640.

The previous prime is 52356749507. The next prime is 52356749537. The reversal of 52356749509 is 90594765325.

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 52356749509 - 2¹ = 52356749507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52356749509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52356749507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356112 + ... + 481174.

It is an arithmetic number, because the mean of its divisors is an integer number (6652904544).

Almost surely, 2^52356749509 is an apocalyptic number.

It is an amenable number.

52356749509 is a deficient number, since it is larger than the sum of its proper divisors (866486843).

52356749509 is a wasteful number, since it uses less digits than its factorization.

52356749509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131987.

The product of its (nonzero) digits is 10206000, while the sum is 55.

The spelling of 52356749509 in words is "fifty-two billion, three hundred fifty-six million, seven hundred forty-nine thousand, five hundred nine".