54575819 has 2 divisors, whose sum is σ = 54575820. Its totient is φ = 54575818.

The previous prime is 54575761. The next prime is 54575839. The reversal of 54575819 is 91857545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54575819 - 2¹² = 54571723 is a prime.

It is a super-2 number, since 2×54575819² = 5957040039041522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54575819.

It is not a weakly prime, because it can be changed into another prime (54575839) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27287909 + 27287910.

It is an arithmetic number, because the mean of its divisors is an integer number (27287910).

Almost surely, 2^54575819 is an apocalyptic number.

54575819 is a deficient number, since it is larger than the sum of its proper divisors (1).

54575819 is an equidigital number, since it uses as much as digits as its factorization.

54575819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 44.

The square root of 54575819 is about 7387.5448560398. The cubic root of 54575819 is about 379.3150611735.

The spelling of 54575819 in words is "fifty-four million, five hundred seventy-five thousand, eight hundred nineteen".