55966627 has 4 divisors (see below), whose sum is σ = 56146896. Its totient is φ = 55786360.

The previous prime is 55966621. The next prime is 55966637. The reversal of 55966627 is 72666955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72666955 = 5 ⋅14533391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55966627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55966621) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 89668 + ... + 90289.

It is an arithmetic number, because the mean of its divisors is an integer number (14036724).

Almost surely, 2^55966627 is an apocalyptic number.

55966627 is a deficient number, since it is larger than the sum of its proper divisors (180269).

55966627 is a wasteful number, since it uses less digits than its factorization.

55966627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180268.

The product of its digits is 680400, while the sum is 46.

The square root of 55966627 is about 7481.0846138779. The cubic root of 55966627 is about 382.5102211517.

The spelling of 55966627 in words is "fifty-five million, nine hundred sixty-six thousand, six hundred twenty-seven".