54478365 has 16 divisors (see below), whose sum is σ = 87345216. Its totient is φ = 28995200.

The previous prime is 54478351. The next prime is 54478427. The reversal of 54478365 is 56387445.

It is not a de Polignac number, because 54478365 - 2¹⁵ = 54445597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4330 + ... + 11300.

It is an arithmetic number, because the mean of its divisors is an integer number (5459076).

Almost surely, 2^54478365 is an apocalyptic number.

It is an amenable number.

54478365 is a deficient number, since it is larger than the sum of its proper divisors (32866851).

54478365 is a wasteful number, since it uses less digits than its factorization.

54478365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500.

The product of its digits is 403200, while the sum is 42.

The square root of 54478365 is about 7380.9460775703. The cubic root of 54478365 is about 379.0891504112.

The spelling of 54478365 in words is "fifty-four million, four hundred seventy-eight thousand, three hundred sixty-five".