55630326 has 8 divisors (see below), whose sum is σ = 111260664. Its totient is φ = 18543440.

The previous prime is 55630321. The next prime is 55630327. The reversal of 55630326 is 62303655.

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

55630326 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55630293 and 55630302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55630321) 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, 4635855 + ... + 4635866.

It is an arithmetic number, because the mean of its divisors is an integer number (13907583).

Almost surely, 2^55630326 is an apocalyptic number.

55630326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55630326 is a wasteful number, since it uses less digits than its factorization.

55630326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271726.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 55630326 is about 7458.5739923929. The cubic root of 55630326 is about 381.7425190312.

The spelling of 55630326 in words is "fifty-five million, six hundred thirty thousand, three hundred twenty-six".