555500052 has 48 divisors (see below), whose sum is σ = 1446278400. Its totient is φ = 184383360.

The previous prime is 555500051. The next prime is 555500063. The reversal of 555500052 is 250005555.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 555499989 and 555500025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555500051) 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, 15052 + ... + 36572.

It is an arithmetic number, because the mean of its divisors is an integer number (30130800).

Almost surely, 2^555500052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555500052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723139200).

555500052 is an abundant number, since it is smaller than the sum of its proper divisors (890778348).

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

555500052 is a wasteful number, since it uses less digits than its factorization.

555500052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21773 (or 21765 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 555500052 is about 23569.0486019271. The cubic root of 555500052 is about 822.0433138240.

The spelling of 555500052 in words is "five hundred fifty-five million, five hundred thousand, fifty-two".