54378286 has 4 divisors (see below), whose sum is σ = 81567432. Its totient is φ = 27189142.

The previous prime is 54378283. The next prime is 54378293. The reversal of 54378286 is 68287345.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54378283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13594570 + ... + 13594573.

It is an arithmetic number, because the mean of its divisors is an integer number (20391858).

Almost surely, 2^54378286 is an apocalyptic number.

54378286 is a deficient number, since it is larger than the sum of its proper divisors (27189146).

54378286 is a wasteful number, since it uses less digits than its factorization.

54378286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27189145.

The product of its digits is 322560, while the sum is 43.

The square root of 54378286 is about 7374.1634101775. The cubic root of 54378286 is about 378.8568739924.

The spelling of 54378286 in words is "fifty-four million, three hundred seventy-eight thousand, two hundred eighty-six".