55656849 has 16 divisors (see below), whose sum is σ = 77755392. Its totient is φ = 35344848.

The previous prime is 55656841. The next prime is 55656857. The reversal of 55656849 is 94865655.

It is an interprime number because it is at equal distance from previous prime (55656841) and next prime (55656857).

It is not a de Polignac number, because 55656849 - 2³ = 55656841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55656798 and 55656807.

It is not an unprimeable number, because it can be changed into a prime (55656841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16614 + ... + 19680.

It is an arithmetic number, because the mean of its divisors is an integer number (4859712).

Almost surely, 2^55656849 is an apocalyptic number.

It is an amenable number.

55656849 is a deficient number, since it is larger than the sum of its proper divisors (22098543).

55656849 is a wasteful number, since it uses less digits than its factorization.

55656849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356.

The product of its digits is 1296000, while the sum is 48.

The square root of 55656849 is about 7460.3518013563. The cubic root of 55656849 is about 381.8031774819.

The spelling of 55656849 in words is "fifty-five million, six hundred fifty-six thousand, eight hundred forty-nine".