531120053 has 4 divisors (see below), whose sum is σ = 559073760. Its totient is φ = 503166348.

The previous prime is 531120017. The next prime is 531120059. The reversal of 531120053 is 350021135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 531120053 - 2⁶ = 531119989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531120059) 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 3 ways as a sum of consecutive naturals, for example, 13976825 + ... + 13976862.

It is an arithmetic number, because the mean of its divisors is an integer number (139768440).

Almost surely, 2^531120053 is an apocalyptic number.

It is an amenable number.

531120053 is a deficient number, since it is larger than the sum of its proper divisors (27953707).

531120053 is a wasteful number, since it uses less digits than its factorization.

531120053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27953706.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 531120053 is about 23046.0420246080. The cubic root of 531120053 is about 809.8369091956.

Adding to 531120053 its reverse (350021135), we get a palindrome (881141188).

The spelling of 531120053 in words is "five hundred thirty-one million, one hundred twenty thousand, fifty-three".