52544545531 has 4 divisors (see below), whose sum is σ = 52945649064. Its totient is φ = 52143442000.

The previous prime is 52544545519. The next prime is 52544545541. The reversal of 52544545531 is 13554544525.

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 52544545531 - 2¹⁵ = 52544512763 is a prime.

It is a super-2 number, since 2×52544545531² (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 (52544545541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200551570 + ... + 200551831.

It is an arithmetic number, because the mean of its divisors is an integer number (13236412266).

Almost surely, 2^52544545531 is an apocalyptic number.

52544545531 is a deficient number, since it is larger than the sum of its proper divisors (401103533).

52544545531 is a wasteful number, since it uses less digits than its factorization.

52544545531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401103532.

The product of its digits is 1200000, while the sum is 43.

The spelling of 52544545531 in words is "fifty-two billion, five hundred forty-four million, five hundred forty-five thousand, five hundred thirty-one".