54805319 has 4 divisors (see below), whose sum is σ = 54834360. Its totient is φ = 54776280.

The previous prime is 54805279. The next prime is 54805321. The reversal of 54805319 is 91350845.

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

It is a cyclic number.

It is not a de Polignac number, because 54805319 - 2¹² = 54801223 is a prime.

It is a super-2 number, since 2×54805319² = 6007245981383522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54805369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11477 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (13708590).

Almost surely, 2^54805319 is an apocalyptic number.

54805319 is a deficient number, since it is larger than the sum of its proper divisors (29041).

54805319 is a wasteful number, since it uses less digits than its factorization.

54805319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29040.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 54805319 is about 7403.0614613145. The cubic root of 54805319 is about 379.8460110140.

The spelling of 54805319 in words is "fifty-four million, eight hundred five thousand, three hundred nineteen".