55677905 has 8 divisors (see below), whose sum is σ = 68367552. Its totient is φ = 43506288.

The previous prime is 55677899. The next prime is 55677949. The reversal of 55677905 is 50977655.

55677905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55677905 is a prime.

It is a Duffinian number.

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, 129269 + ... + 129698.

It is an arithmetic number, because the mean of its divisors is an integer number (8545944).

Almost surely, 2^55677905 is an apocalyptic number.

It is an amenable number.

55677905 is a deficient number, since it is larger than the sum of its proper divisors (12689647).

55677905 is a wasteful number, since it uses less digits than its factorization.

55677905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259015.

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 55677905 is about 7461.7628614155. The cubic root of 55677905 is about 381.8513191109.

The spelling of 55677905 in words is "fifty-five million, six hundred seventy-seven thousand, nine hundred five".