53031042553 has 4 divisors (see below), whose sum is σ = 53258643828. Its totient is φ = 52803441280.

The previous prime is 53031042541. The next prime is 53031042587. The reversal of 53031042553 is 35524013035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5162853609 + 47868188944 = 71853^2 + 218788^2 .

It is a cyclic number.

It is not a de Polignac number, because 53031042553 - 2¹⁷ = 53030911481 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53031042593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113800288 + ... + 113800753.

It is an arithmetic number, because the mean of its divisors is an integer number (13314660957).

Almost surely, 2^53031042553 is an apocalyptic number.

It is an amenable number.

53031042553 is a deficient number, since it is larger than the sum of its proper divisors (227601275).

53031042553 is a wasteful number, since it uses less digits than its factorization.

53031042553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227601274.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 53031042553 its reverse (35524013035), we get a palindrome (88555055588).

The spelling of 53031042553 in words is "fifty-three billion, thirty-one million, forty-two thousand, five hundred fifty-three".