54988138 has 8 divisors (see below), whose sum is σ = 82606788. Its totient is φ = 27452544.

The previous prime is 54988133. The next prime is 54988139. The reversal of 54988138 is 83188945.

54988138 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 2 ways, for example, as 51079609 + 3908529 = 7147^2 + 1977^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54988133) 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 in 3 ways as a sum of consecutive naturals, for example, 19081 + ... + 21772.

Almost surely, 2^54988138 is an apocalyptic number.

54988138 is a deficient number, since it is larger than the sum of its proper divisors (27618650).

54988138 is a wasteful number, since it uses less digits than its factorization.

54988138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41528.

The product of its digits is 276480, while the sum is 46.

The square root of 54988138 is about 7415.3987080939. The cubic root of 54988138 is about 380.2679043395.

The spelling of 54988138 in words is "fifty-four million, nine hundred eighty-eight thousand, one hundred thirty-eight".