52513240042 has 8 divisors (see below), whose sum is σ = 78834270816. Its totient is φ = 26235149772.

The previous prime is 52513239979. The next prime is 52513240061. The reversal of 52513240042 is 24004231525.

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

It is an unprimeable number.

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, 10732068 + ... + 10736959.

It is an arithmetic number, because the mean of its divisors is an integer number (9854283852).

Almost surely, 2^52513240042 is an apocalyptic number.

52513240042 is a deficient number, since it is larger than the sum of its proper divisors (26321030774).

52513240042 is a wasteful number, since it uses less digits than its factorization.

52513240042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21470252.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 52513240042 its reverse (24004231525), we get a palindrome (76517471567).

The spelling of 52513240042 in words is "fifty-two billion, five hundred thirteen million, two hundred forty thousand, forty-two".