55167009 has 8 divisors (see below), whose sum is σ = 73593312. Its totient is φ = 36759360.

The previous prime is 55166999. The next prime is 55167059. The reversal of 55167009 is 90076155.

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

It is not a de Polignac number, because 55167009 - 2⁵ = 55166977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55167059) 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, 5254 + ... + 11744.

It is an arithmetic number, because the mean of its divisors is an integer number (9199164).

Almost surely, 2^55167009 is an apocalyptic number.

It is an amenable number.

55167009 is a deficient number, since it is larger than the sum of its proper divisors (18426303).

55167009 is a wasteful number, since it uses less digits than its factorization.

55167009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9327.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 55167009 is about 7427.4496969014. The cubic root of 55167009 is about 380.6797827485.

The spelling of 55167009 in words is "fifty-five million, one hundred sixty-seven thousand, nine".