553744725452631 has 24 divisors (see below), whose sum is σ = 865812005339760. Its totient is φ = 349733510806032.

The previous prime is 553744725452563. The next prime is 553744725452647. The reversal of 553744725452631 is 136254527447355.

553744725452631 is a `hidden beast` number, since 5 + 5 + 3 + 7 + 4 + 4 + 72 + 5 + 4 + 526 + 31 = 666.

It is not a de Polignac number, because 553744725452631 - 2¹⁰ = 553744725451607 is a prime.

It is a super-2 number, since 2×553744725452631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553744725452531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28405895940 + ... + 28405915433.

It is an arithmetic number, because the mean of its divisors is an integer number (36075500222490).

Almost surely, 2^{553744725452631} is an apocalyptic number.

553744725452631 is a deficient number, since it is larger than the sum of its proper divisors (312067279887129).

553744725452631 is a wasteful number, since it uses less digits than its factorization.

553744725452631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56811811420 (or 56811811395 counting only the distinct ones).

The product of its digits is 423360000, while the sum is 63.

The spelling of 553744725452631 in words is "five hundred fifty-three trillion, seven hundred forty-four billion, seven hundred twenty-five million, four hundred fifty-two thousand, six hundred thirty-one".