54784769 has 4 divisors (see below), whose sum is σ = 58998996. Its totient is φ = 50570544.

The previous prime is 54784757. The next prime is 54784801. The reversal of 54784769 is 96748745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27952369 + 26832400 = 5287^2 + 5180^2 .

It is a cyclic number.

It is not a de Polignac number, because 54784769 - 2¹² = 54780673 is a prime.

It is a super-2 number, since 2×54784769² = 6002741828766722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54784729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107094 + ... + 2107119.

It is an arithmetic number, because the mean of its divisors is an integer number (14749749).

Almost surely, 2^54784769 is an apocalyptic number.

It is an amenable number.

54784769 is a deficient number, since it is larger than the sum of its proper divisors (4214227).

54784769 is a wasteful number, since it uses less digits than its factorization.

54784769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214226.

The product of its digits is 1693440, while the sum is 50.

The square root of 54784769 is about 7401.6733918757. The cubic root of 54784769 is about 379.7985289356.

The spelling of 54784769 in words is "fifty-four million, seven hundred eighty-four thousand, seven hundred sixty-nine".