55712543447 has 8 divisors (see below), whose sum is σ = 60782862720. Its totient is φ = 50643147960.

The previous prime is 55712543387. The next prime is 55712543449. The reversal of 55712543447 is 74434521755.

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 55712543447 - 2¹⁰ = 55712542423 is a prime.

It is a super-3 number, since 3×55712543447³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55712543449) 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 7 ways as a sum of consecutive naturals, for example, 101693 + ... + 348950.

It is an arithmetic number, because the mean of its divisors is an integer number (7597857840).

Almost surely, 2^55712543447 is an apocalyptic number.

55712543447 is a deficient number, since it is larger than the sum of its proper divisors (5070319273).

55712543447 is a wasteful number, since it uses less digits than its factorization.

55712543447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461893.

The product of its digits is 2352000, while the sum is 47.

The spelling of 55712543447 in words is "fifty-five billion, seven hundred twelve million, five hundred forty-three thousand, four hundred forty-seven".