503552263553 has 16 divisors (see below), whose sum is σ = 528334969680. Its totient is φ = 479303172096.

The previous prime is 503552263537. The next prime is 503552263559. The reversal of 503552263553 is 355362255305.

It can be written as a sum of positive squares in 8 ways, for example, as 427331584 + 503124931969 = 20672^2 + 709313^2 .

It is a cyclic number.

It is not a de Polignac number, because 503552263553 - 2⁴ = 503552263537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503552263559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374675 + ... + 1071207.

It is an arithmetic number, because the mean of its divisors is an integer number (33020935605).

Almost surely, 2^503552263553 is an apocalyptic number.

It is an amenable number.

503552263553 is a deficient number, since it is larger than the sum of its proper divisors (24782706127).

503552263553 is a wasteful number, since it uses less digits than its factorization.

503552263553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696916.

The product of its (nonzero) digits is 2025000, while the sum is 44.

The spelling of 503552263553 in words is "five hundred three billion, five hundred fifty-two million, two hundred sixty-three thousand, five hundred fifty-three".