55307326 has 8 divisors (see below), whose sum is σ = 83046240. Its totient is φ = 27625248.

The previous prime is 55307323. The next prime is 55307327. The reversal of 55307326 is 62370355.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55307323) 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, 11686 + ... + 15721.

It is an arithmetic number, because the mean of its divisors is an integer number (10380780).

Almost surely, 2^55307326 is an apocalyptic number.

55307326 is a deficient number, since it is larger than the sum of its proper divisors (27738914).

55307326 is a wasteful number, since it uses less digits than its factorization.

55307326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28418.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 55307326 is about 7436.8895379722. The cubic root of 55307326 is about 381.0022618429.

The spelling of 55307326 in words is "fifty-five million, three hundred seven thousand, three hundred twenty-six".