55555167 has 32 divisors (see below), whose sum is σ = 82080000. Its totient is φ = 33274368.

The previous prime is 55555163. The next prime is 55555169. The reversal of 55555167 is 76155555.

It is not a de Polignac number, because 55555167 - 2² = 55555163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111084 + ... + 111582.

It is an arithmetic number, because the mean of its divisors is an integer number (2565000).

Almost surely, 2^55555167 is an apocalyptic number.

55555167 is a deficient number, since it is larger than the sum of its proper divisors (26524833).

55555167 is a wasteful number, since it uses less digits than its factorization.

55555167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615.

The product of its digits is 131250, while the sum is 39.

The square root of 55555167 is about 7453.5338598547. The cubic root of 55555167 is about 381.5705246122.

The spelling of 55555167 in words is "fifty-five million, five hundred fifty-five thousand, one hundred sixty-seven".