55561071167 has 8 divisors (see below), whose sum is σ = 63583835136. Its totient is φ = 47559674232.

The previous prime is 55561071149. The next prime is 55561071199. The reversal of 55561071167 is 76117016555.

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

It is not a de Polignac number, because 55561071167 - 2²² = 55556876863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55561071107) 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, 5336183 + ... + 5346584.

It is an arithmetic number, because the mean of its divisors is an integer number (7947979392).

Almost surely, 2^55561071167 is an apocalyptic number.

55561071167 is a deficient number, since it is larger than the sum of its proper divisors (8022763969).

55561071167 is a wasteful number, since it uses less digits than its factorization.

55561071167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10683517.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 55561071167 in words is "fifty-five billion, five hundred sixty-one million, seventy-one thousand, one hundred sixty-seven".