54456609 has 4 divisors (see below), whose sum is σ = 72608816. Its totient is φ = 36304404.

The previous prime is 54456607. The next prime is 54456631. The reversal of 54456609 is 90665445.

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.

It is not a de Polignac number, because 54456609 - 2¹ = 54456607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54456607) 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, 9076099 + ... + 9076104.

It is an arithmetic number, because the mean of its divisors is an integer number (18152204).

Almost surely, 2^54456609 is an apocalyptic number.

It is an amenable number.

54456609 is a deficient number, since it is larger than the sum of its proper divisors (18152207).

54456609 is a wasteful number, since it uses less digits than its factorization.

54456609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18152206.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 54456609 is about 7379.4721355934. The cubic root of 54456609 is about 379.0386804575.

The spelling of 54456609 in words is "fifty-four million, four hundred fifty-six thousand, six hundred nine".