52126424989 has 8 divisors (see below), whose sum is σ = 53538197720. Its totient is φ = 50714807616.

The previous prime is 52126424983. The next prime is 52126424993. The reversal of 52126424989 is 98942462125.

It can be written as a sum of positive squares in 4 ways, for example, as 42319484089 + 9806940900 = 205717^2 + 99030^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52126424989 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 (52126424983) 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, 1045267 + ... + 1093999.

It is an arithmetic number, because the mean of its divisors is an integer number (6692274715).

Almost surely, 2^52126424989 is an apocalyptic number.

It is an amenable number.

52126424989 is a deficient number, since it is larger than the sum of its proper divisors (1411772731).

52126424989 is a wasteful number, since it uses less digits than its factorization.

52126424989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77679.

The product of its digits is 2488320, while the sum is 52.

The spelling of 52126424989 in words is "fifty-two billion, one hundred twenty-six million, four hundred twenty-four thousand, nine hundred eighty-nine".