55626616 has 32 divisors (see below), whose sum is σ = 107712000. Its totient is φ = 26918496.

The previous prime is 55626607. The next prime is 55626629. The reversal of 55626616 is 61662655.

55626616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55626616² = 6188640815222912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30745 + ... + 32503.

It is an arithmetic number, because the mean of its divisors is an integer number (3366000).

Almost surely, 2^55626616 is an apocalyptic number.

It is an amenable number.

55626616 is a deficient number, since it is larger than the sum of its proper divisors (52085384).

55626616 is a wasteful number, since it uses less digits than its factorization.

55626616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1887 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 55626616 is about 7458.3252811875. The cubic root of 55626616 is about 381.7340326754.

It can be divided in two parts, 556 and 26616, that added together give a palindrome (27172).

The spelling of 55626616 in words is "fifty-five million, six hundred twenty-six thousand, six hundred sixteen".