54986487 has 8 divisors (see below), whose sum is σ = 74071536. Its totient is φ = 36279552.

The previous prime is 54986479. The next prime is 54986497. The reversal of 54986487 is 78468945.

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

It is not a de Polignac number, because 54986487 - 2³ = 54986479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54986497) 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, 94188 + ... + 94769.

It is an arithmetic number, because the mean of its divisors is an integer number (9258942).

Almost surely, 2^54986487 is an apocalyptic number.

54986487 is a deficient number, since it is larger than the sum of its proper divisors (19085049).

54986487 is a wasteful number, since it uses less digits than its factorization.

54986487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189057.

The product of its digits is 1935360, while the sum is 51.

The square root of 54986487 is about 7415.2873848557. The cubic root of 54986487 is about 380.2640984969.

The spelling of 54986487 in words is "fifty-four million, nine hundred eighty-six thousand, four hundred eighty-seven".