54018987 has 16 divisors (see below), whose sum is σ = 78701952. Its totient is φ = 32685120.

The previous prime is 54018971. The next prime is 54018997. The reversal of 54018987 is 78981045.

54018987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54018987 - 2⁴ = 54018971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54018917) 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 15 ways as a sum of consecutive naturals, for example, 30048 + ... + 31794.

It is an arithmetic number, because the mean of its divisors is an integer number (4918872).

Almost surely, 2^54018987 is an apocalyptic number.

54018987 is a deficient number, since it is larger than the sum of its proper divisors (24682965).

54018987 is a wasteful number, since it uses less digits than its factorization.

54018987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 54018987 is about 7349.7610165229. The cubic root of 54018987 is about 378.0206100014.

The spelling of 54018987 in words is "fifty-four million, eighteen thousand, nine hundred eighty-seven".