555000005238 has 128 divisors (see below), whose sum is σ = 1316076748800. Its totient is φ = 152740328832.

The previous prime is 555000005093. The next prime is 555000005239. The reversal of 555000005238 is 832500000555.

It is a junction number, because it is equal to n+sod(n) for n = 555000005199 and 555000005208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555000005239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155940903 + ... + 155944461.

It is an arithmetic number, because the mean of its divisors is an integer number (10281849600).

Almost surely, 2^555000005238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555000005238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658038374400).

555000005238 is an abundant number, since it is smaller than the sum of its proper divisors (761076743562).

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

555000005238 is a wasteful number, since it uses less digits than its factorization.

555000005238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 555000005238 in words is "five hundred fifty-five billion, five thousand, two hundred thirty-eight".