55665677 has 8 divisors (see below), whose sum is σ = 58321152. Its totient is φ = 53064000.

The previous prime is 55665671. The next prime is 55665689. The reversal of 55665677 is 77656655.

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

It is not a de Polignac number, because 55665677 - 2⁴ = 55665661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55665671) 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 7 ways as a sum of consecutive naturals, for example, 11324 + ... + 15477.

It is an arithmetic number, because the mean of its divisors is an integer number (7290144).

Almost surely, 2^55665677 is an apocalyptic number.

It is an amenable number.

55665677 is a deficient number, since it is larger than the sum of its proper divisors (2655475).

55665677 is a wasteful number, since it uses less digits than its factorization.

55665677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26899.

The product of its digits is 1323000, while the sum is 47.

The square root of 55665677 is about 7460.9434390029. The cubic root of 55665677 is about 381.8233629597.

The spelling of 55665677 in words is "fifty-five million, six hundred sixty-five thousand, six hundred seventy-seven".