505525050055 has 4 divisors (see below), whose sum is σ = 606630060072. Its totient is φ = 404420040040.

The previous prime is 505525050047. The next prime is 505525050061. The reversal of 505525050055 is 550050525505.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 505525050055 - 2³ = 505525050047 is a prime.

It is a super-2 number, since 2×505525050055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505525049996 and 505525050023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50552505001 + ... + 50552505010.

It is an arithmetic number, because the mean of its divisors is an integer number (151657515018).

Almost surely, 2^505525050055 is an apocalyptic number.

505525050055 is a deficient number, since it is larger than the sum of its proper divisors (101105010017).

505525050055 is a wasteful number, since it uses less digits than its factorization.

505525050055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101105010016.

The product of its (nonzero) digits is 156250, while the sum is 37.

The spelling of 505525050055 in words is "five hundred five billion, five hundred twenty-five million, fifty thousand, fifty-five".