5455742769 has 45 divisors (see below), whose sum is σ = 8470590843. Its totient is φ = 3499333488.

The previous prime is 5455742749. The next prime is 5455742801. The reversal of 5455742769 is 9672475545.

It is a happy number.

The square root of 5455742769 is 73863.

It is a perfect power (a square), and thus also a powerful number.

5455742769 is a `hidden beast` number, since 5 + 4 + 5 + 574 + 2 + 7 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2860859169 + 2594883600 = 53487^2 + 50940^2 .

It is not a de Polignac number, because 5455742769 - 2¹¹ = 5455740721 is a prime.

It is a super-2 number, since 2×5455742769² = 59530258322991574722, which contains 22 as substring.

Its product of digits (10584000) is a multiple of the sum of its prime divisors (315).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5455742729) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 19278102 + ... + 19278384.

Almost surely, 2^5455742769 is an apocalyptic number.

5455742769 is the 73863-rd square number.

5455742769 is the 36932-nd centered octagonal number.

It is an amenable number.

5455742769 is a deficient number, since it is larger than the sum of its proper divisors (3014848074).

5455742769 is an frugal number, since it uses more digits than its factorization.

5455742769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 315 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The cubic root of 5455742769 is about 1760.4267612884.

The spelling of 5455742769 in words is "five billion, four hundred fifty-five million, seven hundred forty-two thousand, seven hundred sixty-nine".