52681757399 has 4 divisors (see below), whose sum is σ = 54381168960. Its totient is φ = 50982345840.

The previous prime is 52681757383. The next prime is 52681757413. The reversal of 52681757399 is 99375718625.

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 52681757399 - 2⁴ = 52681757383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52681757299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849705734 + ... + 849705795.

It is an arithmetic number, because the mean of its divisors is an integer number (13595292240).

Almost surely, 2^52681757399 is an apocalyptic number.

52681757399 is a deficient number, since it is larger than the sum of its proper divisors (1699411561).

52681757399 is a wasteful number, since it uses less digits than its factorization.

52681757399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699411560.

The product of its digits is 28576800, while the sum is 62.

The spelling of 52681757399 in words is "fifty-two billion, six hundred eighty-one million, seven hundred fifty-seven thousand, three hundred ninety-nine".