555505538 has 16 divisors (see below), whose sum is σ = 952889280. Its totient is φ = 237925296.

The previous prime is 555505537. The next prime is 555505571. The reversal of 555505538 is 835505555.

It is a junction number, because it is equal to n+sod(n) for n = 555505495 and 555505504.

It is not an unprimeable number, because it can be changed into a prime (555505537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12608 + ... + 35636.

It is an arithmetic number, because the mean of its divisors is an integer number (59555580).

Almost surely, 2^555505538 is an apocalyptic number.

555505538 is a deficient number, since it is larger than the sum of its proper divisors (397383742).

555505538 is a wasteful number, since it uses less digits than its factorization.

555505538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24761.

The product of its (nonzero) digits is 375000, while the sum is 41.

The square root of 555505538 is about 23569.1649830875. The cubic root of 555505538 is about 822.0460199232.

The spelling of 555505538 in words is "five hundred fifty-five million, five hundred five thousand, five hundred thirty-eight".