55678134471 has 4 divisors (see below), whose sum is σ = 74237512632. Its totient is φ = 37118756312.

The previous prime is 55678134433. The next prime is 55678134497. The reversal of 55678134471 is 17443187655.

It is a happy number.

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 55678134471 - 2¹⁰ = 55678133447 is a prime.

It is a super-3 number, since 3×55678134471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55678138471) 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, 9279689076 + ... + 9279689081.

It is an arithmetic number, because the mean of its divisors is an integer number (18559378158).

Almost surely, 2^55678134471 is an apocalyptic number.

55678134471 is a deficient number, since it is larger than the sum of its proper divisors (18559378161).

55678134471 is a wasteful number, since it uses less digits than its factorization.

55678134471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18559378160.

The product of its digits is 2822400, while the sum is 51.

The spelling of 55678134471 in words is "fifty-five billion, six hundred seventy-eight million, one hundred thirty-four thousand, four hundred seventy-one".