54279995 has 36 divisors (see below), whose sum is σ = 83330352. Its totient is φ = 33818400.

The previous prime is 54279991. The next prime is 54280019. The reversal of 54279995 is 59997245.

It is a happy number.

It is not a de Polignac number, because 54279995 - 2² = 54279991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54279991) 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 35 ways as a sum of consecutive naturals, for example, 28730 + ... + 30560.

It is an arithmetic number, because the mean of its divisors is an integer number (2314732).

Almost surely, 2^54279995 is an apocalyptic number.

54279995 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54279995 is a deficient number, since it is larger than the sum of its proper divisors (29050357).

54279995 is a wasteful number, since it uses less digits than its factorization.

54279995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1854 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 50.

The square root of 54279995 is about 7367.4958432292. The cubic root of 54279995 is about 378.6284698331.

The spelling of 54279995 in words is "fifty-four million, two hundred seventy-nine thousand, nine hundred ninety-five".