555128252 has 18 divisors (see below), whose sum is σ = 1130082912. Its totient is φ = 237912024.

The previous prime is 555128213. The next prime is 555128311. The reversal of 555128252 is 252821555.

It is a super-3 number, since 3×555128252³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1415948 + ... + 1416339.

It is an arithmetic number, because the mean of its divisors is an integer number (62782384).

Almost surely, 2^555128252 is an apocalyptic number.

It is an amenable number.

555128252 is an abundant number, since it is smaller than the sum of its proper divisors (574954660).

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

555128252 is a wasteful number, since it uses less digits than its factorization.

555128252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832305 (or 2832296 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

The square root of 555128252 is about 23561.1598186507. The cubic root of 555128252 is about 821.8598731466.

The spelling of 555128252 in words is "five hundred fifty-five million, one hundred twenty-eight thousand, two hundred fifty-two".