55067081 has 8 divisors (see below), whose sum is σ = 55708800. Its totient is φ = 54429408.

The previous prime is 55067071. The next prime is 55067093. The reversal of 55067081 is 18076055.

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

It is a cyclic number.

It is not a de Polignac number, because 55067081 - 2⁶ = 55067017 is a prime.

It is a super-2 number, since 2×55067081² = 6064766819721122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55067011) 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, 32405 + ... + 34061.

It is an arithmetic number, because the mean of its divisors is an integer number (6963600).

Almost surely, 2^55067081 is an apocalyptic number.

It is an amenable number.

55067081 is a deficient number, since it is larger than the sum of its proper divisors (641719).

55067081 is a wasteful number, since it uses less digits than its factorization.

55067081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 55067081 is about 7420.7197090309. The cubic root of 55067081 is about 380.4497928704.

The spelling of 55067081 in words is "fifty-five million, sixty-seven thousand, eighty-one".