54472218 has 16 divisors (see below), whose sum is σ = 109030080. Its totient is φ = 18143136.

The previous prime is 54472217. The next prime is 54472219. The reversal of 54472218 is 81227445.

It is an interprime number because it is at equal distance from previous prime (54472217) and next prime (54472219).

It is not an unprimeable number, because it can be changed into a prime (54472213) 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, 7203 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (6814380).

Almost surely, 2^54472218 is an apocalyptic number.

54472218 is an abundant number, since it is smaller than the sum of its proper divisors (54557862).

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

54472218 is a wasteful number, since it uses less digits than its factorization.

54472218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141.

The product of its digits is 17920, while the sum is 33.

The square root of 54472218 is about 7380.5296557903. The cubic root of 54472218 is about 379.0748918540.

The spelling of 54472218 in words is "fifty-four million, four hundred seventy-two thousand, two hundred eighteen".