505070553 has 16 divisors (see below), whose sum is σ = 726485760. Its totient is φ = 310274304.

The previous prime is 505070543. The next prime is 505070591. The reversal of 505070553 is 355070505.

It is not a de Polignac number, because 505070553 - 2⁴ = 505070537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505070553.

It is not an unprimeable number, because it can be changed into a prime (505070543) 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, 12208 + ... + 34046.

It is an arithmetic number, because the mean of its divisors is an integer number (45405360).

Almost surely, 2^505070553 is an apocalyptic number.

It is an amenable number.

505070553 is a deficient number, since it is larger than the sum of its proper divisors (221415207).

505070553 is a wasteful number, since it uses less digits than its factorization.

505070553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22448.

The product of its (nonzero) digits is 13125, while the sum is 30.

The square root of 505070553 is about 22473.7747830666. The cubic root of 505070553 is about 796.3745075968.

The spelling of 505070553 in words is "five hundred five million, seventy thousand, five hundred fifty-three".