54442218 has 32 divisors (see below), whose sum is σ = 110914560. Its totient is φ = 17812080.

The previous prime is 54442189. The next prime is 54442247. The reversal of 54442218 is 81224445.

It is an interprime number because it is at equal distance from previous prime (54442189) and next prime (54442247).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156721 + ... + 157067.

It is an arithmetic number, because the mean of its divisors is an integer number (3466080).

Almost surely, 2^54442218 is an apocalyptic number.

54442218 is an abundant number, since it is smaller than the sum of its proper divisors (56472342).

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

54442218 is a wasteful number, since it uses less digits than its factorization.

54442218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its digits is 10240, while the sum is 30.

The square root of 54442218 is about 7378.4970014224. The cubic root of 54442218 is about 379.0052885741.

The spelling of 54442218 in words is "fifty-four million, four hundred forty-two thousand, two hundred eighteen".