55385011511624 has 32 divisors (see below), whose sum is σ = 104142679326720. Its totient is φ = 27613632769536.

The previous prime is 55385011511623. The next prime is 55385011511651. The reversal of 55385011511624 is 42611511058355.

It is not an unprimeable number, because it can be changed into a prime (55385011511623) 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, 268987577 + ... + 269193399.

It is an arithmetic number, because the mean of its divisors is an integer number (3254458728960).

Almost surely, 2^{55385011511624} is an apocalyptic number.

It is an amenable number.

55385011511624 is a deficient number, since it is larger than the sum of its proper divisors (48757667815096).

55385011511624 is a wasteful number, since it uses less digits than its factorization.

55385011511624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301469 (or 301465 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 47.

Adding to 55385011511624 its reverse (42611511058355), we get a palindrome (97996522569979).

The spelling of 55385011511624 in words is "fifty-five trillion, three hundred eighty-five billion, eleven million, five hundred eleven thousand, six hundred twenty-four".