52447504731 has 4 divisors (see below), whose sum is σ = 69930006312. Its totient is φ = 34965003152.

The previous prime is 52447504723. The next prime is 52447504777. The reversal of 52447504731 is 13740574425.

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 52447504731 - 2³ = 52447504723 is a prime.

It is a super-2 number, since 2×52447504731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52447504231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8741250786 + ... + 8741250791.

It is an arithmetic number, because the mean of its divisors is an integer number (17482501578).

Almost surely, 2^52447504731 is an apocalyptic number.

52447504731 is a deficient number, since it is larger than the sum of its proper divisors (17482501581).

52447504731 is a wasteful number, since it uses less digits than its factorization.

52447504731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17482501580.

The product of its (nonzero) digits is 470400, while the sum is 42.

It can be divided in two parts, 524475047 and 31, that added together give a triangular number (524475078 = T₃₂₃₈₇).

The spelling of 52447504731 in words is "fifty-two billion, four hundred forty-seven million, five hundred four thousand, seven hundred thirty-one".