55649606 has 4 divisors (see below), whose sum is σ = 83474412. Its totient is φ = 27824802.

The previous prime is 55649599. The next prime is 55649609. The reversal of 55649606 is 60694655.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55649609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13912400 + ... + 13912403.

It is an arithmetic number, because the mean of its divisors is an integer number (20868603).

Almost surely, 2^55649606 is an apocalyptic number.

55649606 is a deficient number, since it is larger than the sum of its proper divisors (27824806).

55649606 is a wasteful number, since it uses less digits than its factorization.

55649606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27824805.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 55649606 is about 7459.8663526902. The cubic root of 55649606 is about 381.7866145585.

The spelling of 55649606 in words is "fifty-five million, six hundred forty-nine thousand, six hundred six".