54215444 has 12 divisors (see below), whose sum is σ = 95086068. Its totient is φ = 27048000.

The previous prime is 54215443. The next prime is 54215459. The reversal of 54215444 is 44451245.

It can be written as a sum of positive squares in 2 ways, for example, as 11155600 + 43059844 = 3340^2 + 6562^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54215443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12857 + ... + 16544.

It is an arithmetic number, because the mean of its divisors is an integer number (7923839).

Almost surely, 2^54215444 is an apocalyptic number.

It is an amenable number.

54215444 is a deficient number, since it is larger than the sum of its proper divisors (40870624).

54215444 is a wasteful number, since it uses less digits than its factorization.

54215444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29866 (or 29864 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 54215444 is about 7363.1137435191. The cubic root of 54215444 is about 378.4783191112.

Adding to 54215444 its reverse (44451245), we get a palindrome (98666689).

The spelling of 54215444 in words is "fifty-four million, two hundred fifteen thousand, four hundred forty-four".