553143505431 has 16 divisors (see below), whose sum is σ = 811953774720. Its totient is φ = 332162903520.

The previous prime is 553143505429. The next prime is 553143505433. The reversal of 553143505431 is 134505341355.

It is an interprime number because it is at equal distance from previous prime (553143505429) and next prime (553143505433).

It is not a de Polignac number, because 553143505431 - 2¹ = 553143505429 is a prime.

It is a super-2 number, since 2×553143505431² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 553143505431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553143505433) 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, 76885965 + ... + 76893158.

It is an arithmetic number, because the mean of its divisors is an integer number (50747110920).

Almost surely, 2^553143505431 is an apocalyptic number.

553143505431 is a deficient number, since it is larger than the sum of its proper divisors (258810269289).

553143505431 is a wasteful number, since it uses less digits than its factorization.

553143505431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153779246.

The product of its (nonzero) digits is 270000, while the sum is 39.

Adding to 553143505431 its reverse (134505341355), we get a palindrome (687648846786).

The spelling of 553143505431 in words is "five hundred fifty-three billion, one hundred forty-three million, five hundred five thousand, four hundred thirty-one".