54378586 has 4 divisors (see below), whose sum is σ = 81567882. Its totient is φ = 27189292.

The previous prime is 54378581. The next prime is 54378613. The reversal of 54378586 is 68587345.

54378586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 28419561 + 25959025 = 5331^2 + 5095^2 .

It is not an unprimeable number, because it can be changed into a prime (54378581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13594645 + ... + 13594648.

Almost surely, 2^54378586 is an apocalyptic number.

54378586 is a deficient number, since it is larger than the sum of its proper divisors (27189296).

54378586 is a wasteful number, since it uses less digits than its factorization.

54378586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27189295.

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

The square root of 54378586 is about 7374.1837514399. The cubic root of 54378586 is about 378.8575706973.

The spelling of 54378586 in words is "fifty-four million, three hundred seventy-eight thousand, five hundred eighty-six".