55623266 has 16 divisors (see below), whose sum is σ = 85272000. Its totient is φ = 27205200.

The previous prime is 55623259. The next prime is 55623301. The reversal of 55623266 is 66232655.

55623266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 18860 + ... + 21608.

It is an arithmetic number, because the mean of its divisors is an integer number (5329500).

Almost surely, 2^55623266 is an apocalyptic number.

55623266 is a deficient number, since it is larger than the sum of its proper divisors (29648734).

55623266 is a wasteful number, since it uses less digits than its factorization.

55623266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969.

The product of its digits is 64800, while the sum is 35.

The square root of 55623266 is about 7458.1006965581. The cubic root of 55623266 is about 381.7263694692.

The spelling of 55623266 in words is "fifty-five million, six hundred twenty-three thousand, two hundred sixty-six".