54707689 has 4 divisors (see below), whose sum is σ = 54722560. Its totient is φ = 54692820.

The previous prime is 54707647. The next prime is 54707743. The reversal of 54707689 is 98670745.

It is a happy number.

54707689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54707689 - 2⁷ = 54707561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54707189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2584 + ... + 10774.

It is an arithmetic number, because the mean of its divisors is an integer number (13680640).

Almost surely, 2^54707689 is an apocalyptic number.

It is an amenable number.

54707689 is a deficient number, since it is larger than the sum of its proper divisors (14871).

54707689 is an equidigital number, since it uses as much as digits as its factorization.

54707689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14870.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 54707689 is about 7396.4646284559. The cubic root of 54707689 is about 379.6203248385.

The spelling of 54707689 in words is "fifty-four million, seven hundred seven thousand, six hundred eighty-nine".