555528887838 has 32 divisors (see below), whose sum is σ = 1288182931200. Its totient is φ = 177125152248.

The previous prime is 555528887833. The next prime is 555528887857. The reversal of 555528887838 is 838788825555.

It is a super-2 number, since 2×555528887838² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555528887831) 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, 223641628 + ... + 223644111.

It is an arithmetic number, because the mean of its divisors is an integer number (40255716600).

Almost surely, 2^555528887838 is an apocalyptic number.

555528887838 is an abundant number, since it is smaller than the sum of its proper divisors (732654043362).

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

555528887838 is a wasteful number, since it uses less digits than its factorization.

555528887838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447285773 (or 447285767 counting only the distinct ones).

The product of its digits is 860160000, while the sum is 72.

The spelling of 555528887838 in words is "five hundred fifty-five billion, five hundred twenty-eight million, eight hundred eighty-seven thousand, eight hundred thirty-eight".