55673907 has 16 divisors (see below), whose sum is σ = 76423680. Its totient is φ = 36036000.

The previous prime is 55673867. The next prime is 55673909. The reversal of 55673907 is 70937655.

It is not a de Polignac number, because 55673907 - 2¹² = 55669811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55673909) 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 in 15 ways as a sum of consecutive naturals, for example, 12532 + ... + 16382.

It is an arithmetic number, because the mean of its divisors is an integer number (4776480).

Almost surely, 2^55673907 is an apocalyptic number.

55673907 is a deficient number, since it is larger than the sum of its proper divisors (20749773).

55673907 is a wasteful number, since it uses less digits than its factorization.

55673907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994.

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 55673907 is about 7461.4949574465. The cubic root of 55673907 is about 381.8421791710.

The spelling of 55673907 in words is "fifty-five million, six hundred seventy-three thousand, nine hundred seven".