555505505540 has 48 divisors (see below), whose sum is σ = 1222063718400. Its totient is φ = 211824342912.

The previous prime is 555505505537. The next prime is 555505505551. The reversal of 555505505540 is 45505505555.

It is a junction number, because it is equal to n+sod(n) for n = 555505505491 and 555505505500.

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, 6016004 + ... + 6107643.

It is an arithmetic number, because the mean of its divisors is an integer number (25459660800).

Almost surely, 2^555505505540 is an apocalyptic number.

It is an amenable number.

555505505540 is an abundant number, since it is smaller than the sum of its proper divisors (666558212860).

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

555505505540 is a wasteful number, since it uses less digits than its factorization.

555505505540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12123764 (or 12123762 counting only the distinct ones).

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 555505505540 in words is "five hundred fifty-five billion, five hundred five million, five hundred five thousand, five hundred forty".