54853769 has 4 divisors (see below), whose sum is σ = 55081620. Its totient is φ = 54625920.

The previous prime is 54853723. The next prime is 54853793. The reversal of 54853769 is 96735845.

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 35844169 + 19009600 = 5987^2 + 4360^2 .

It is a cyclic number.

It is not a de Polignac number, because 54853769 - 2¹⁶ = 54788233 is a prime.

It is a super-2 number, since 2×54853769² = 6017871947010722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54853069) 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, 113564 + ... + 114045.

It is an arithmetic number, because the mean of its divisors is an integer number (13770405).

Almost surely, 2^54853769 is an apocalyptic number.

It is an amenable number.

54853769 is a deficient number, since it is larger than the sum of its proper divisors (227851).

54853769 is a wasteful number, since it uses less digits than its factorization.

54853769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227850.

The product of its digits is 907200, while the sum is 47.

The square root of 54853769 is about 7406.3330332898. Note that the first 3 decimals coincide. The cubic root of 54853769 is about 379.9579108508.

The spelling of 54853769 in words is "fifty-four million, eight hundred fifty-three thousand, seven hundred sixty-nine".