55214161 has 8 divisors (see below), whose sum is σ = 55874880. Its totient is φ = 54557712.

The previous prime is 55214153. The next prime is 55214177. The reversal of 55214161 is 16141255.

It is a happy number.

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 55214161 - 2³ = 55214153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55214111) 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, 30076 + ... + 31858.

It is an arithmetic number, because the mean of its divisors is an integer number (6984360).

Almost surely, 2^55214161 is an apocalyptic number.

It is an amenable number.

55214161 is a deficient number, since it is larger than the sum of its proper divisors (660719).

55214161 is a wasteful number, since it uses less digits than its factorization.

55214161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its digits is 1200, while the sum is 25.

The square root of 55214161 is about 7430.6231905541. The cubic root of 55214161 is about 380.7882092754.

The spelling of 55214161 in words is "fifty-five million, two hundred fourteen thousand, one hundred sixty-one".