555406325 has 12 divisors (see below), whose sum is σ = 690561828. Its totient is φ = 443126400.

The previous prime is 555406321. The next prime is 555406367. The reversal of 555406325 is 523604555.

It can be written as a sum of positive squares in 6 ways, for example, as 34562641 + 520843684 = 5879^2 + 22822^2 .

It is not a de Polignac number, because 555406325 - 2² = 555406321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555406321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20456 + ... + 39105.

It is an arithmetic number, because the mean of its divisors is an integer number (57546819).

Almost surely, 2^555406325 is an apocalyptic number.

It is an amenable number.

555406325 is a deficient number, since it is larger than the sum of its proper divisors (135155503).

555406325 is a wasteful number, since it uses less digits than its factorization.

555406325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59944 (or 59939 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 555406325 is about 23567.0601688034. The cubic root of 555406325 is about 821.9970780123.

The spelling of 555406325 in words is "five hundred fifty-five million, four hundred six thousand, three hundred twenty-five".