54459769 has 16 divisors (see below), whose sum is σ = 67979520. Its totient is φ = 42477120.

The previous prime is 54459751. The next prime is 54459799. The reversal of 54459769 is 96795445.

It is a happy number.

It is not a de Polignac number, because 54459769 - 2⁵ = 54459737 is a prime.

It is a super-2 number, since 2×54459769² = 5931732879066722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54459739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247 + ... + 10675.

It is an arithmetic number, because the mean of its divisors is an integer number (4248720).

Almost surely, 2^54459769 is an apocalyptic number.

It is an amenable number.

54459769 is a deficient number, since it is larger than the sum of its proper divisors (13519751).

54459769 is a wasteful number, since it uses less digits than its factorization.

54459769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520.

The product of its digits is 1360800, while the sum is 49.

The square root of 54459769 is about 7379.6862399427. The cubic root of 54459769 is about 379.0460119157.

The spelling of 54459769 in words is "fifty-four million, four hundred fifty-nine thousand, seven hundred sixty-nine".