54972609 has 8 divisors (see below), whose sum is σ = 73332192. Its totient is φ = 36630720.

The previous prime is 54972581. The next prime is 54972613. The reversal of 54972609 is 90627945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54972609 - 2⁷ = 54972481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54972109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7174 + ... + 12704.

It is an arithmetic number, because the mean of its divisors is an integer number (9166524).

Almost surely, 2^54972609 is an apocalyptic number.

It is an amenable number.

54972609 is a deficient number, since it is larger than the sum of its proper divisors (18359583).

54972609 is a wasteful number, since it uses less digits than its factorization.

54972609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8847.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 54972609 is about 7414.3515562725. The cubic root of 54972609 is about 380.2321042774.

The spelling of 54972609 in words is "fifty-four million, nine hundred seventy-two thousand, six hundred nine".