54212166 has 20 divisors (see below), whose sum is σ = 121475772. Its totient is φ = 18070668.

The previous prime is 54212153. The next prime is 54212203. The reversal of 54212166 is 66121245.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 167160 + ... + 167483.

Almost surely, 2^54212166 is an apocalyptic number.

54212166 is an abundant number, since it is smaller than the sum of its proper divisors (67263606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54212166 is a wasteful number, since it uses less digits than its factorization.

54212166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334657 (or 334648 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 54212166 is about 7362.8911441091. The cubic root of 54212166 is about 378.4706910453.

The spelling of 54212166 in words is "fifty-four million, two hundred twelve thousand, one hundred sixty-six".