54119987 has 8 divisors (see below), whose sum is σ = 55056336. Its totient is φ = 53187552.

The previous prime is 54119969. The next prime is 54120007. The reversal of 54119987 is 78991145.

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

It is a cyclic number.

It is not a de Polignac number, because 54119987 - 2¹⁴ = 54103603 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (54119927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43133 + ... + 44369.

It is an arithmetic number, because the mean of its divisors is an integer number (6882042).

Almost surely, 2^54119987 is an apocalyptic number.

54119987 is a deficient number, since it is larger than the sum of its proper divisors (936349).

54119987 is a wasteful number, since it uses less digits than its factorization.

54119987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957.

The product of its digits is 90720, while the sum is 44.

The square root of 54119987 is about 7356.6287795430. The cubic root of 54119987 is about 378.2560599987.

The spelling of 54119987 in words is "fifty-four million, one hundred nineteen thousand, nine hundred eighty-seven".