52542339819 has 8 divisors (see below), whose sum is σ = 70174594512. Its totient is φ = 34969155840.

The previous prime is 52542339799. The next prime is 52542339821. The reversal of 52542339819 is 91893324525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-52542339819 is a prime.

It is a super-2 number, since 2×52542339819² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52542339869) 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, 14765602 + ... + 14769159.

It is an arithmetic number, because the mean of its divisors is an integer number (8771824314).

Almost surely, 2^52542339819 is an apocalyptic number.

52542339819 is a deficient number, since it is larger than the sum of its proper divisors (17632254693).

52542339819 is a wasteful number, since it uses less digits than its factorization.

52542339819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29535357.

The product of its digits is 2332800, while the sum is 51.

The spelling of 52542339819 in words is "fifty-two billion, five hundred forty-two million, three hundred thirty-nine thousand, eight hundred nineteen".