54671986 has 8 divisors (see below), whose sum is σ = 82046124. Its totient is φ = 27323280.

The previous prime is 54671909. The next prime is 54672053. The reversal of 54671986 is 68917645.

It can be written as a sum of positive squares in 2 ways, for example, as 49266361 + 5405625 = 7019^2 + 2325^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496 + ... + 10468.

Almost surely, 2^54671986 is an apocalyptic number.

54671986 is a deficient number, since it is larger than the sum of its proper divisors (27374138).

54671986 is a wasteful number, since it uses less digits than its factorization.

54671986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716.

The product of its digits is 362880, while the sum is 46.

The square root of 54671986 is about 7394.0507166235. The cubic root of 54671986 is about 379.5377250298.

The spelling of 54671986 in words is "fifty-four million, six hundred seventy-one thousand, nine hundred eighty-six".