54158644 has 6 divisors (see below), whose sum is σ = 94777634. Its totient is φ = 27079320.

The previous prime is 54158593. The next prime is 54158647. The reversal of 54158644 is 44685145.

54158644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37675044 + 16483600 = 6138^2 + 4060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54158647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6769827 + ... + 6769834.

Almost surely, 2^54158644 is an apocalyptic number.

It is an amenable number.

54158644 is a deficient number, since it is larger than the sum of its proper divisors (40618990).

54158644 is a wasteful number, since it uses less digits than its factorization.

54158644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13539665 (or 13539663 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 54158644 is about 7359.2556688839. The cubic root of 54158644 is about 378.3460992197.

The spelling of 54158644 in words is "fifty-four million, one hundred fifty-eight thousand, six hundred forty-four".