54670009 has 4 divisors (see below), whose sum is σ = 54711540. Its totient is φ = 54628480.

The previous prime is 54669961. The next prime is 54670013. The reversal of 54670009 is 90007645.

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 35283600 + 19386409 = 5940^2 + 4403^2 .

It is a cyclic number.

It is not a de Polignac number, because 54670009 - 2⁹ = 54669497 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54670039) 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, 18724 + ... + 21445.

It is an arithmetic number, because the mean of its divisors is an integer number (13677885).

Almost surely, 2^54670009 is an apocalyptic number.

It is an amenable number.

54670009 is a deficient number, since it is larger than the sum of its proper divisors (41531).

54670009 is a wasteful number, since it uses less digits than its factorization.

54670009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41530.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 54670009 is about 7393.9170268539. The cubic root of 54670009 is about 379.5331501388.

The spelling of 54670009 in words is "fifty-four million, six hundred seventy thousand, nine".