505550550004 has 6 divisors (see below), whose sum is σ = 884713462514. Its totient is φ = 252775275000.

The previous prime is 505550549981. The next prime is 505550550013. The reversal of 505550550004 is 400055055505.

It can be written as a sum of positive squares in only one way, i.e., 383681136400 + 121869413604 = 619420^2 + 349098^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63193818747 + ... + 63193818754.

Almost surely, 2^505550550004 is an apocalyptic number.

It is an amenable number.

505550550004 is a deficient number, since it is larger than the sum of its proper divisors (379162912510).

505550550004 is a wasteful number, since it uses less digits than its factorization.

505550550004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126387637505 (or 126387637503 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 505550550004 in words is "five hundred five billion, five hundred fifty million, five hundred fifty thousand, four".