55988738648 has 32 divisors (see below), whose sum is σ = 106779330000. Its totient is φ = 27514439040.

The previous prime is 55988738591. The next prime is 55988738653. The reversal of 55988738648 is 84683788955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3460658 + ... + 3476798.

Almost surely, 2^55988738648 is an apocalyptic number.

It is an amenable number.

55988738648 is a deficient number, since it is larger than the sum of its proper divisors (50790591352).

55988738648 is a wasteful number, since it uses less digits than its factorization.

55988738648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23555 (or 23551 counting only the distinct ones).

The product of its digits is 464486400, while the sum is 71.

The spelling of 55988738648 in words is "fifty-five billion, nine hundred eighty-eight million, seven hundred thirty-eight thousand, six hundred forty-eight".