54206390 has 16 divisors (see below), whose sum is σ = 111510432. Its totient is φ = 18585024.

The previous prime is 54206381. The next prime is 54206393. The reversal of 54206390 is 9360245.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54206393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387119 + ... + 387258.

It is an arithmetic number, because the mean of its divisors is an integer number (6969402).

Almost surely, 2^54206390 is an apocalyptic number.

54206390 is an abundant number, since it is smaller than the sum of its proper divisors (57304042).

54206390 is a wasteful number, since it uses less digits than its factorization.

54206390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774391.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 54206390 is about 7362.4988964346. The cubic root of 54206390 is about 378.4572492633.

The spelling of 54206390 in words is "fifty-four million, two hundred six thousand, three hundred ninety".