54769689 has 30 divisors (see below), whose sum is σ = 88616286. Its totient is φ = 33696000.

The previous prime is 54769681. The next prime is 54769697. The reversal of 54769689 is 98696745.

54769689 is a `hidden beast` number, since 5 + 476 + 96 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (54769681) and next prime (54769697).

It can be written as a sum of positive squares in 3 ways, for example, as 4473225 + 50296464 = 2115^2 + 7092^2 .

It is not a de Polignac number, because 54769689 - 2³ = 54769681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54769681) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 11689 + ... + 15689.

Almost surely, 2^54769689 is an apocalyptic number.

It is an amenable number.

54769689 is a deficient number, since it is larger than the sum of its proper divisors (33846597).

54769689 is a wasteful number, since it uses less digits than its factorization.

54769689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039 (or 4017 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 54769689 is about 7400.6546332064. The cubic root of 54769689 is about 379.7636780850.

The spelling of 54769689 in words is "fifty-four million, seven hundred sixty-nine thousand, six hundred eighty-nine".