55353009 has 8 divisors (see below), whose sum is σ = 74738560. Its totient is φ = 36434736.

The previous prime is 55352987. The next prime is 55353013. The reversal of 55353009 is 90035355.

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

It is not a de Polignac number, because 55353009 - 2⁵ = 55352977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55353029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116542 + ... + 117015.

It is an arithmetic number, because the mean of its divisors is an integer number (9342320).

Almost surely, 2^55353009 is an apocalyptic number.

It is an amenable number.

55353009 is a deficient number, since it is larger than the sum of its proper divisors (19385551).

55353009 is a wasteful number, since it uses less digits than its factorization.

55353009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233639.

The product of its (nonzero) digits is 10125, while the sum is 30.

The square root of 55353009 is about 7439.9602821520. The cubic root of 55353009 is about 381.1071336421.

The spelling of 55353009 in words is "fifty-five million, three hundred fifty-three thousand, nine".