55626306 has 8 divisors (see below), whose sum is σ = 111252624. Its totient is φ = 18542100.

The previous prime is 55626293. The next prime is 55626313. The reversal of 55626306 is 60362655.

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

55626306 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4635520 + ... + 4635531.

It is an arithmetic number, because the mean of its divisors is an integer number (13906578).

Almost surely, 2^55626306 is an apocalyptic number.

55626306 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.

55626306 is a wasteful number, since it uses less digits than its factorization.

55626306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271056.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 55626306 is about 7458.3044990132. The cubic root of 55626306 is about 381.7333235558.

It can be divided in two parts, 556 and 26306, that added together give a palindrome (26862).

The spelling of 55626306 in words is "fifty-five million, six hundred twenty-six thousand, three hundred six".