52447961671 has 8 divisors (see below), whose sum is σ = 60699269120. Its totient is φ = 44386339608.

The previous prime is 52447961653. The next prime is 52447961681. The reversal of 52447961671 is 17616974425.

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

It is a cyclic number.

It is not a de Polignac number, because 52447961671 - 2⁵ = 52447961639 is a prime.

It is a super-2 number, since 2×52447961671² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52447961641) 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, 47420751 + ... + 47421856.

It is an arithmetic number, because the mean of its divisors is an integer number (7587408640).

Almost surely, 2^52447961671 is an apocalyptic number.

52447961671 is a deficient number, since it is larger than the sum of its proper divisors (8251307449).

52447961671 is an equidigital number, since it uses as much as digits as its factorization.

52447961671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94842693.

The product of its digits is 2540160, while the sum is 52.

The spelling of 52447961671 in words is "fifty-two billion, four hundred forty-seven million, nine hundred sixty-one thousand, six hundred seventy-one".