55648210 has 32 divisors (see below), whose sum is σ = 102539520. Its totient is φ = 21737472.

The previous prime is 55648189. The next prime is 55648211. The reversal of 55648210 is 1284655.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (55648211) 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, 151447 + ... + 151813.

It is an arithmetic number, because the mean of its divisors is an integer number (3204360).

Almost surely, 2^55648210 is an apocalyptic number.

55648210 is a deficient number, since it is larger than the sum of its proper divisors (46891310).

55648210 is a wasteful number, since it uses less digits than its factorization.

55648210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 55648210 is about 7459.7727847435. The cubic root of 55648210 is about 381.7834220916.

The spelling of 55648210 in words is "fifty-five million, six hundred forty-eight thousand, two hundred ten".