55161067 has 8 divisors (see below), whose sum is σ = 59461920. Its totient is φ = 50868480.

The previous prime is 55161037. The next prime is 55161079. The reversal of 55161067 is 76016155.

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

It is not a de Polignac number, because 55161067 - 2¹⁹ = 54636779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55161037) 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, 25467 + ... + 27547.

It is an arithmetic number, because the mean of its divisors is an integer number (7432740).

Almost surely, 2^55161067 is an apocalyptic number.

55161067 is a deficient number, since it is larger than the sum of its proper divisors (4300853).

55161067 is a wasteful number, since it uses less digits than its factorization.

55161067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 55161067 is about 7427.0496834207. The cubic root of 55161067 is about 380.6661146733. Note that the first 3 decimals are identical.

The spelling of 55161067 in words is "fifty-five million, one hundred sixty-one thousand, sixty-seven".