55016656 has 20 divisors (see below), whose sum is σ = 106786692. Its totient is φ = 27458816.

The previous prime is 55016653. The next prime is 55016671. The reversal of 55016656 is 65661055.

It can be written as a sum of positive squares in 2 ways, for example, as 1960000 + 53056656 = 1400^2 + 7284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55016653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7086 + ... + 12658.

Almost surely, 2^55016656 is an apocalyptic number.

It is an amenable number.

55016656 is a deficient number, since it is larger than the sum of its proper divisors (51770036).

55016656 is a wasteful number, since it uses less digits than its factorization.

55016656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198 (or 6192 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 55016656 is about 7417.3213493821. The cubic root of 55016656 is about 380.3336312781. Note that the first 3 decimals are identical.

The spelling of 55016656 in words is "fifty-five million, sixteen thousand, six hundred fifty-six".