52578106331 has 4 divisors (see below), whose sum is σ = 52583302200. Its totient is φ = 52572910464.

The previous prime is 52578106291. The next prime is 52578106367. The reversal of 52578106331 is 13360187525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52578106331 is a prime.

It is a super-2 number, since 2×52578106331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52578106631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582726 + ... + 2603003.

It is an arithmetic number, because the mean of its divisors is an integer number (13145825550).

Almost surely, 2^52578106331 is an apocalyptic number.

52578106331 is a deficient number, since it is larger than the sum of its proper divisors (5195869).

52578106331 is a wasteful number, since it uses less digits than its factorization.

52578106331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195868.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 52578106331 in words is "fifty-two billion, five hundred seventy-eight million, one hundred six thousand, three hundred thirty-one".