555440125 has 16 divisors (see below), whose sum is σ = 707945472. Its totient is φ = 434893200.

The previous prime is 555440071. The next prime is 555440143. The reversal of 555440125 is 521044555.

It is a de Polignac number, because none of the positive numbers 2^k-555440125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41397 + ... + 53146.

It is an arithmetic number, because the mean of its divisors is an integer number (44246592).

Almost surely, 2^555440125 is an apocalyptic number.

It is an amenable number.

555440125 is a deficient number, since it is larger than the sum of its proper divisors (152505347).

555440125 is an equidigital number, since it uses as much as digits as its factorization.

555440125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94605 (or 94595 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 555440125 is about 23567.7772604885. Note that the first 3 decimals coincide. The cubic root of 555440125 is about 822.0137522538.

The spelling of 555440125 in words is "five hundred fifty-five million, four hundred forty thousand, one hundred twenty-five".