555125540 has 48 divisors (see below), whose sum is σ = 1212926400. Its totient is φ = 213155712.

The previous prime is 555125533. The next prime is 555125563. The reversal of 555125540 is 45521555.

It is a junction number, because it is equal to n+sod(n) for n = 555125497 and 555125506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101147 + ... + 106493.

It is an arithmetic number, because the mean of its divisors is an integer number (25269300).

Almost surely, 2^555125540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555125540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606463200).

555125540 is an abundant number, since it is smaller than the sum of its proper divisors (657800860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555125540 is a wasteful number, since it uses less digits than its factorization.

555125540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564 (or 5562 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 555125540 is about 23561.1022662353. The cubic root of 555125540 is about 821.8585347846.

The spelling of 555125540 in words is "five hundred fifty-five million, one hundred twenty-five thousand, five hundred forty".