505050275553 has 4 divisors (see below), whose sum is σ = 673400367408. Its totient is φ = 336700183700.

The previous prime is 505050275551. The next prime is 505050275591. The reversal of 505050275553 is 355572050505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505050275553 - 2¹ = 505050275551 is a prime.

It is a super-2 number, since 2×505050275553² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505050275551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84175045923 + ... + 84175045928.

It is an arithmetic number, because the mean of its divisors is an integer number (168350091852).

Almost surely, 2^505050275553 is an apocalyptic number.

It is an amenable number.

505050275553 is a deficient number, since it is larger than the sum of its proper divisors (168350091855).

505050275553 is a wasteful number, since it uses less digits than its factorization.

505050275553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168350091854.

The product of its (nonzero) digits is 656250, while the sum is 42.

The spelling of 505050275553 in words is "five hundred five billion, fifty million, two hundred seventy-five thousand, five hundred fifty-three".