505538553502 has 32 divisors (see below), whose sum is σ = 784569693600. Its totient is φ = 244149419520.

The previous prime is 505538553493. The next prime is 505538553503. The reversal of 505538553502 is 205355835505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505538553503) 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, 3683538 + ... + 3818314.

It is an arithmetic number, because the mean of its divisors is an integer number (24517802925).

Almost surely, 2^505538553502 is an apocalyptic number.

505538553502 is a deficient number, since it is larger than the sum of its proper divisors (279031140098).

505538553502 is a wasteful number, since it uses less digits than its factorization.

505538553502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135276.

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 505538553502 in words is "five hundred five billion, five hundred thirty-eight million, five hundred fifty-three thousand, five hundred two".