52748186399 has 4 divisors (see below), whose sum is σ = 52766359536. Its totient is φ = 52730013264.

The previous prime is 52748186353. The next prime is 52748186411. The reversal of 52748186399 is 99368184725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52748186399 - 2¹² = 52748182303 is a prime.

It is a super-3 number, since 3×52748186399³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52748186329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9082214 + ... + 9088019.

It is an arithmetic number, because the mean of its divisors is an integer number (13191589884).

Almost surely, 2^52748186399 is an apocalyptic number.

52748186399 is a deficient number, since it is larger than the sum of its proper divisors (18173137).

52748186399 is a wasteful number, since it uses less digits than its factorization.

52748186399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18173136.

The product of its digits is 26127360, while the sum is 62.

The spelling of 52748186399 in words is "fifty-two billion, seven hundred forty-eight million, one hundred eighty-six thousand, three hundred ninety-nine".