55012605 has 16 divisors (see below), whose sum is σ = 88240320. Its totient is φ = 29266688.

The previous prime is 55012589. The next prime is 55012613. The reversal of 55012605 is 50621055.

It is a cyclic number.

It is not a de Polignac number, because 55012605 - 2⁴ = 55012589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (5515020).

Almost surely, 2^55012605 is an apocalyptic number.

It is an amenable number.

55012605 is a deficient number, since it is larger than the sum of its proper divisors (33227715).

55012605 is a wasteful number, since it uses less digits than its factorization.

55012605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55012605 is about 7417.0482673365. The cubic root of 55012605 is about 380.3242961090.

The spelling of 55012605 in words is "fifty-five million, twelve thousand, six hundred five".