54079569 has 10 divisors (see below), whose sum is σ = 80785650. Its totient is φ = 36052992.

The previous prime is 54079561. The next prime is 54079573. The reversal of 54079569 is 96597045.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44715969 + 9363600 = 6687^2 + 3060^2 .

It is not a de Polignac number, because 54079569 - 2³ = 54079561 is a prime.

It is a super-2 number, since 2×54079569² = 5849199566451522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54079561) 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 9 ways as a sum of consecutive naturals, for example, 333744 + ... + 333905.

It is an arithmetic number, because the mean of its divisors is an integer number (8078565).

Almost surely, 2^54079569 is an apocalyptic number.

It is an amenable number.

54079569 is a deficient number, since it is larger than the sum of its proper divisors (26706081).

54079569 is an equidigital number, since it uses as much as digits as its factorization.

54079569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667661 (or 667652 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 54079569 is about 7353.8812201449. The cubic root of 54079569 is about 378.1618732250.

The spelling of 54079569 in words is "fifty-four million, seventy-nine thousand, five hundred sixty-nine".