55130516023520 has 48 divisors (see below), whose sum is σ = 148852393266528. Its totient is φ = 18901891207680.

The previous prime is 55130516023501. The next prime is 55130516023589. The reversal of 55130516023520 is 2532061503155.

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, 24611836391 + ... + 24611838630.

It is an arithmetic number, because the mean of its divisors is an integer number (3101091526386).

Almost surely, 2^{55130516023520} is an apocalyptic number.

It is an amenable number.

55130516023520 is an abundant number, since it is smaller than the sum of its proper divisors (93721877243008).

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

55130516023520 is a wasteful number, since it uses less digits than its factorization.

55130516023520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49223675043 (or 49223675035 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 55130516023520 its reverse (2532061503155), we get a palindrome (57662577526675).

The spelling of 55130516023520 in words is "fifty-five trillion, one hundred thirty billion, five hundred sixteen million, twenty-three thousand, five hundred twenty".