54442213 has 8 divisors (see below), whose sum is σ = 62386880. Its totient is φ = 46539360.

The previous prime is 54442189. The next prime is 54442247. The reversal of 54442213 is 31224445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54442213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54442513) 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, 7608 + ... + 12913.

It is an arithmetic number, because the mean of its divisors is an integer number (7798360).

Almost surely, 2^54442213 is an apocalyptic number.

It is an amenable number.

54442213 is a deficient number, since it is larger than the sum of its proper divisors (7944667).

54442213 is a wasteful number, since it uses less digits than its factorization.

54442213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20907.

The product of its digits is 3840, while the sum is 25.

The square root of 54442213 is about 7378.4966626000. The cubic root of 54442213 is about 379.0052769714.

Adding to 54442213 its reverse (31224445), we get a palindrome (85666658).

The spelling of 54442213 in words is "fifty-four million, four hundred forty-two thousand, two hundred thirteen".