54424987 has 4 divisors (see below), whose sum is σ = 57289480. Its totient is φ = 51560496.

The previous prime is 54424943. The next prime is 54425023. The reversal of 54424987 is 78942445.

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

It is a cyclic number.

It is not a de Polignac number, because 54424987 - 2¹¹ = 54422939 is a prime.

It is a super-3 number, since 3×54424987³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54424907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432218 + ... + 1432255.

It is an arithmetic number, because the mean of its divisors is an integer number (14322370).

Almost surely, 2^54424987 is an apocalyptic number.

54424987 is a deficient number, since it is larger than the sum of its proper divisors (2864493).

54424987 is a wasteful number, since it uses less digits than its factorization.

54424987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864492.

The product of its digits is 322560, while the sum is 43.

The square root of 54424987 is about 7377.3292592916. The cubic root of 54424987 is about 378.9652992087.

The spelling of 54424987 in words is "fifty-four million, four hundred twenty-four thousand, nine hundred eighty-seven".