553045253531 has 4 divisors (see below), whose sum is σ = 553050485712. Its totient is φ = 553040021352.

The previous prime is 553045253513. The next prime is 553045253533. The reversal of 553045253531 is 135352540355.

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

It is a cyclic number.

It is not a de Polignac number, because 553045253531 - 2²² = 553041059227 is a prime.

It is a super-2 number, since 2×553045253531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553045253533) 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, 2454200 + ... + 2670053.

It is an arithmetic number, because the mean of its divisors is an integer number (138262621428).

Almost surely, 2^553045253531 is an apocalyptic number.

553045253531 is a deficient number, since it is larger than the sum of its proper divisors (5232181).

553045253531 is a wasteful number, since it uses less digits than its factorization.

553045253531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232180.

The product of its (nonzero) digits is 675000, while the sum is 41.

Adding to 553045253531 its reverse (135352540355), we get a palindrome (688397793886).

The spelling of 553045253531 in words is "five hundred fifty-three billion, forty-five million, two hundred fifty-three thousand, five hundred thirty-one".