54615966 has 8 divisors (see below), whose sum is σ = 109231944. Its totient is φ = 18205320.

The previous prime is 54615941. The next prime is 54615971. The reversal of 54615966 is 66951645.

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

54615966 is an admirable number.

It is a super-2 number, since 2×54615966² = 5965807484226312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 4551325 + ... + 4551336.

It is an arithmetic number, because the mean of its divisors is an integer number (13653993).

Almost surely, 2^54615966 is an apocalyptic number.

54615966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54615966 is a wasteful number, since it uses less digits than its factorization.

54615966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9102666.

The product of its digits is 194400, while the sum is 42.

The square root of 54615966 is about 7390.2615650598. The cubic root of 54615966 is about 379.4080488097.

The spelling of 54615966 in words is "fifty-four million, six hundred fifteen thousand, nine hundred sixty-six".