55677656 has 8 divisors (see below), whose sum is σ = 104395620. Its totient is φ = 27838824.

The previous prime is 55677617. The next prime is 55677673. The reversal of 55677656 is 65677655.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 55677656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3479846 + ... + 3479861.

Almost surely, 2^55677656 is an apocalyptic number.

It is an amenable number.

55677656 is a deficient number, since it is larger than the sum of its proper divisors (48717964).

55677656 is a wasteful number, since it uses less digits than its factorization.

55677656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959713 (or 6959709 counting only the distinct ones).

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

The square root of 55677656 is about 7461.7461763317. The cubic root of 55677656 is about 381.8507498778.

Subtracting 55677656 from its reverse (65677655), we obtain a palindrome (9999999).

The spelling of 55677656 in words is "fifty-five million, six hundred seventy-seven thousand, six hundred fifty-six".