55077056 has 14 divisors (see below), whose sum is σ = 109293660. Its totient is φ = 27538496.

The previous prime is 55077037. The next prime is 55077089. The reversal of 55077056 is 65077055.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430226 + ... + 430353.

It is an arithmetic number, because the mean of its divisors is an integer number (7806690).

Almost surely, 2^55077056 is an apocalyptic number.

It is an amenable number.

55077056 is a deficient number, since it is larger than the sum of its proper divisors (54216604).

55077056 is an equidigital number, since it uses as much as digits as its factorization.

55077056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860591 (or 860581 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 55077056 is about 7421.3917832169. The cubic root of 55077056 is about 380.4727633850.

Subtracting 55077056 from its reverse (65077055), we obtain a palindrome (9999999).

The spelling of 55077056 in words is "fifty-five million, seventy-seven thousand, fifty-six".