54878105 has 8 divisors (see below), whose sum is σ = 67385472. Its totient is φ = 42881328.

The previous prime is 54878059. The next prime is 54878113. The reversal of 54878105 is 50187845.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54878105 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127409 + ... + 127838.

It is an arithmetic number, because the mean of its divisors is an integer number (8423184).

Almost surely, 2^54878105 is an apocalyptic number.

It is an amenable number.

54878105 is a deficient number, since it is larger than the sum of its proper divisors (12507367).

54878105 is a wasteful number, since it uses less digits than its factorization.

54878105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255295.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 54878105 is about 7407.9757693988. The cubic root of 54878105 is about 380.0140922752.

The spelling of 54878105 in words is "fifty-four million, eight hundred seventy-eight thousand, one hundred five".