54878365 has 8 divisors (see below), whose sum is σ = 69320160. Its totient is φ = 41591952.

The previous prime is 54878347. The next prime is 54878381. The reversal of 54878365 is 56387845.

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 54878365 - 2⁵ = 54878333 is a prime.

It is a congruent 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, 288739 + ... + 288928.

It is an arithmetic number, because the mean of its divisors is an integer number (8665020).

Almost surely, 2^54878365 is an apocalyptic number.

It is an amenable number.

54878365 is a deficient number, since it is larger than the sum of its proper divisors (14441795).

54878365 is a wasteful number, since it uses less digits than its factorization.

54878365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577691.

The product of its digits is 806400, while the sum is 46.

The square root of 54878365 is about 7407.9933180315. The cubic root of 54878365 is about 380.0146924144.

The spelling of 54878365 in words is "fifty-four million, eight hundred seventy-eight thousand, three hundred sixty-five".