555245235425 has 6 divisors (see below), whose sum is σ = 688504091958. Its totient is φ = 444196188320.

The previous prime is 555245235409. The next prime is 555245235443. The reversal of 555245235425 is 524532542555.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 107458084864 + 447787150561 = 327808^2 + 669169^2 .

It is not a de Polignac number, because 555245235425 - 2⁴ = 555245235409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 555245235425.

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, 11104904684 + ... + 11104904733.

It is an arithmetic number, because the mean of its divisors is an integer number (114750681993).

Almost surely, 2^555245235425 is an apocalyptic number.

It is an amenable number.

555245235425 is a deficient number, since it is larger than the sum of its proper divisors (133258856533).

555245235425 is a wasteful number, since it uses less digits than its factorization.

555245235425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22209809427 (or 22209809422 counting only the distinct ones).

The product of its digits is 6000000, while the sum is 47.

The spelling of 555245235425 in words is "five hundred fifty-five billion, two hundred forty-five million, two hundred thirty-five thousand, four hundred twenty-five".