505050045 has 16 divisors (see below), whose sum is σ = 808391232. Its totient is φ = 269256320.

The previous prime is 505050043. The next prime is 505050053. The reversal of 505050045 is 540050505.

It is not a de Polignac number, because 505050045 - 2¹ = 505050043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505049997 and 505050024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505050043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49210 + ... + 58580.

It is an arithmetic number, because the mean of its divisors is an integer number (50524452).

Almost surely, 2^505050045 is an apocalyptic number.

It is an amenable number.

505050045 is a deficient number, since it is larger than the sum of its proper divisors (303341187).

505050045 is a wasteful number, since it uses less digits than its factorization.

505050045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 505050045 is about 22473.3185132948. The cubic root of 505050045 is about 796.3637287268.

The spelling of 505050045 in words is "five hundred five million, fifty thousand, forty-five".