54465689 has 2 divisors, whose sum is σ = 54465690. Its totient is φ = 54465688.

The previous prime is 54465659. The next prime is 54465701. The reversal of 54465689 is 98656445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54096025 + 369664 = 7355^2 + 608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54465689 is a prime.

It is a super-3 number, since 3×54465689³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54465659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27232844 + 27232845.

It is an arithmetic number, because the mean of its divisors is an integer number (27232845).

Almost surely, 2^54465689 is an apocalyptic number.

It is an amenable number.

54465689 is a deficient number, since it is larger than the sum of its proper divisors (1).

54465689 is an equidigital number, since it uses as much as digits as its factorization.

54465689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 47.

The square root of 54465689 is about 7380.0873301066. The cubic root of 54465689 is about 379.0597460362.

The spelling of 54465689 in words is "fifty-four million, four hundred sixty-five thousand, six hundred eighty-nine".