55608646 has 8 divisors (see below), whose sum is σ = 83448144. Its totient is φ = 27792600.

The previous prime is 55608629. The next prime is 55608667. The reversal of 55608646 is 64680655.

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

It is a junction number, because it is equal to n+sod(n) for n = 55608599 and 55608608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (10431018).

Almost surely, 2^55608646 is an apocalyptic number.

55608646 is a deficient number, since it is larger than the sum of its proper divisors (27839498).

55608646 is a wasteful number, since it uses less digits than its factorization.

55608646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11726.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 55608646 is about 7457.1204898406. The cubic root of 55608646 is about 381.6929222630.

The spelling of 55608646 in words is "fifty-five million, six hundred eight thousand, six hundred forty-six".