505545050455 has 8 divisors (see below), whose sum is σ = 633030324192. Its totient is φ = 386851864608.

The previous prime is 505545050429. The next prime is 505545050467. The reversal of 505545050455 is 554050545505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505545050455 - 2¹³ = 505545042263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198021844 + ... + 2198022073.

It is an arithmetic number, because the mean of its divisors is an integer number (79128790524).

Almost surely, 2^505545050455 is an apocalyptic number.

505545050455 is a deficient number, since it is larger than the sum of its proper divisors (127485273737).

505545050455 is a wasteful number, since it uses less digits than its factorization.

505545050455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396043945.

The product of its (nonzero) digits is 1250000, while the sum is 43.

It can be divided in two parts, 505545050 and 455, that added together give a palindrome (505545505).

The spelling of 505545050455 in words is "five hundred five billion, five hundred forty-five million, fifty thousand, four hundred fifty-five".