54161217 has 40 divisors (see below), whose sum is σ = 89385120. Its totient is φ = 32408640.

The previous prime is 54161213. The next prime is 54161221. The reversal of 54161217 is 71216145.

It is a happy number.

54161217 is a `hidden beast` number, since 5 + 41 + 612 + 1 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (54161213) and next prime (54161221).

It is not a de Polignac number, because 54161217 - 2² = 54161213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54161213) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 78958 + ... + 79640.

It is an arithmetic number, because the mean of its divisors is an integer number (2234628).

Almost surely, 2^54161217 is an apocalyptic number.

It is an amenable number.

54161217 is a deficient number, since it is larger than the sum of its proper divisors (35223903).

54161217 is a wasteful number, since it uses less digits than its factorization.

54161217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 786 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 54161217 is about 7359.4304806826. The cubic root of 54161217 is about 378.3520906862.

The spelling of 54161217 in words is "fifty-four million, one hundred sixty-one thousand, two hundred seventeen".