54388018 has 4 divisors (see below), whose sum is σ = 81582030. Its totient is φ = 27194008.

The previous prime is 54388003. The next prime is 54388067. The reversal of 54388018 is 81088345.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52664049 + 1723969 = 7257^2 + 1313^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13597003 + ... + 13597006.

Almost surely, 2^54388018 is an apocalyptic number.

54388018 is a deficient number, since it is larger than the sum of its proper divisors (27194012).

54388018 is a wasteful number, since it uses less digits than its factorization.

54388018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27194011.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 54388018 is about 7374.8232521193. The cubic root of 54388018 is about 378.8794737924.

It can be divided in two parts, 5438 and 8018, that added together give a square (13456 = 116²).

The spelling of 54388018 in words is "fifty-four million, three hundred eighty-eight thousand, eighteen".