505005595454 has 16 divisors (see below), whose sum is σ = 797646545280. Its totient is φ = 239132390040.

The previous prime is 505005595447. The next prime is 505005595459. The reversal of 505005595454 is 454595500505.

It is a happy number.

It is a super-4 number, since 4×505005595454⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 505005595399 and 505005595408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505005595459) 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, 2130002 + ... + 2355189.

It is an arithmetic number, because the mean of its divisors is an integer number (49852909080).

Almost surely, 2^505005595454 is an apocalyptic number.

505005595454 is a deficient number, since it is larger than the sum of its proper divisors (292640949826).

505005595454 is a wasteful number, since it uses less digits than its factorization.

505005595454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488175.

The product of its (nonzero) digits is 2250000, while the sum is 47.

The spelling of 505005595454 in words is "five hundred five billion, five million, five hundred ninety-five thousand, four hundred fifty-four".