55648968 has 32 divisors (see below), whose sum is σ = 143612160. Its totient is φ = 17951040.

The previous prime is 55648963. The next prime is 55648991. The reversal of 55648968 is 86984655.

It is a self number, because there is not a number n which added to its sum of digits gives 55648968.

It is not an unprimeable number, because it can be changed into a prime (55648961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36655 + ... + 38142.

It is an arithmetic number, because the mean of its divisors is an integer number (4487880).

Almost surely, 2^55648968 is an apocalyptic number.

It is an amenable number.

55648968 is an abundant number, since it is smaller than the sum of its proper divisors (87963192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55648968 is a wasteful number, since it uses less digits than its factorization.

55648968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74837 (or 74833 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 55648968 is about 7459.8235904075. The cubic root of 55648968 is about 381.7851555437.

It can be divided in two parts, 55648 and 968, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 55648968 in words is "fifty-five million, six hundred forty-eight thousand, nine hundred sixty-eight".