54540769 has 4 divisors (see below), whose sum is σ = 54555796. Its totient is φ = 54525744.

The previous prime is 54540719. The next prime is 54540779. The reversal of 54540769 is 96704545.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 32638369 + 21902400 = 5713^2 + 4680^2 .

It is a cyclic number.

It is not a de Polignac number, because 54540769 - 2¹⁹ = 54016481 is a prime.

It is a super-2 number, since 2×54540769² = 5949390966222722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54540719) 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, 1687 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (13638949).

Almost surely, 2^54540769 is an apocalyptic number.

It is an amenable number.

54540769 is a deficient number, since it is larger than the sum of its proper divisors (15027).

54540769 is an equidigital number, since it uses as much as digits as its factorization.

54540769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15026.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 54540769 is about 7385.1722390206. The cubic root of 54540769 is about 379.2338418088.

It can be divided in two parts, 545 and 40769, that added together give a palindrome (41314).

The spelling of 54540769 in words is "fifty-four million, five hundred forty thousand, seven hundred sixty-nine".