54567769 has 9 divisors (see below), whose sum is σ = 55860703. Its totient is φ = 53304592.

The previous prime is 54567767. The next prime is 54567787. The reversal of 54567769 is 96776545.

The square root of 54567769 is 7387.

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

It can be written as a sum of positive squares in only one way, i.e., 10478169 + 44089600 = 3237^2 + 6640^2 .

It is not a de Polignac number, because 54567769 - 2¹ = 54567767 is a prime.

It is a super-2 number, since 2×54567769² = 5955282827274722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54567767) 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 8 ways as a sum of consecutive naturals, for example, 613077 + ... + 613165.

Almost surely, 2^54567769 is an apocalyptic number.

54567769 is the 7387-th square number.

54567769 is the 3694-th centered octagonal number.

It is an amenable number.

54567769 is a deficient number, since it is larger than the sum of its proper divisors (1292934).

54567769 is an frugal number, since it uses more digits than its factorization.

54567769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 172 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 49.

The cubic root of 54567769 is about 379.2964104448.

Multiplying 54567769 by its sum of digits (49), we get a square (2673820681 = 51709²).

Multiplying 54567769 by its product of digits (1587600), we get a square (86631790064400 = 9307620²).

It can be divided in two parts, 5456 and 7769, that added together give a square (13225 = 115²).

The spelling of 54567769 in words is "fifty-four million, five hundred sixty-seven thousand, seven hundred sixty-nine".