555556065642 has 48 divisors (see below), whose sum is σ = 1218363531840. Its totient is φ = 182930740416.

The previous prime is 555556065611. The next prime is 555556065653. The reversal of 555556065642 is 246560655555.

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, 14647659 + ... + 14685537.

It is an arithmetic number, because the mean of its divisors is an integer number (25382573580).

Almost surely, 2^555556065642 is an apocalyptic number.

555556065642 is an abundant number, since it is smaller than the sum of its proper divisors (662807466198).

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

555556065642 is a wasteful number, since it uses less digits than its factorization.

555556065642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47787 (or 47784 counting only the distinct ones).

The product of its (nonzero) digits is 27000000, while the sum is 54.

The spelling of 555556065642 in words is "five hundred fifty-five billion, five hundred fifty-six million, sixty-five thousand, six hundred forty-two".