555958628 has 6 divisors (see below), whose sum is σ = 972927606. Its totient is φ = 277979312.

The previous prime is 555958621. The next prime is 555958649. The reversal of 555958628 is 826859555.

It can be written as a sum of positive squares in only one way, i.e., 507961444 + 47997184 = 22538^2 + 6928^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 555958628.

It is not an unprimeable number, because it can be changed into a prime (555958621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69494825 + ... + 69494832.

It is an arithmetic number, because the mean of its divisors is an integer number (162154601).

Almost surely, 2^555958628 is an apocalyptic number.

It is an amenable number.

555958628 is a deficient number, since it is larger than the sum of its proper divisors (416968978).

555958628 is a wasteful number, since it uses less digits than its factorization.

555958628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138989661 (or 138989659 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 53.

The square root of 555958628 is about 23578.7749469730. The cubic root of 555958628 is about 822.2694558072.

The spelling of 555958628 in words is "five hundred fifty-five million, nine hundred fifty-eight thousand, six hundred twenty-eight".