555555425 has 24 divisors (see below), whose sum is σ = 697074432. Its totient is φ = 439200000.

The previous prime is 555555379. The next prime is 555555431. The reversal of 555555425 is 524555555.

It is not a de Polignac number, because 555555425 - 2⁶ = 555555361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1385225 + ... + 1385625.

It is an arithmetic number, because the mean of its divisors is an integer number (29044768).

Almost surely, 2^555555425 is an apocalyptic number.

It is an amenable number.

555555425 is a deficient number, since it is larger than the sum of its proper divisors (141519007).

555555425 is a wasteful number, since it uses less digits than its factorization.

555555425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 924 counting only the distinct ones).

The product of its digits is 625000, while the sum is 41.

The square root of 555555425 is about 23570.2232700499. The cubic root of 555555425 is about 822.0706270479.

The spelling of 555555425 in words is "five hundred fifty-five million, five hundred fifty-five thousand, four hundred twenty-five".