553430134521 has 24 divisors (see below), whose sum is σ = 873301840320. Its totient is φ = 334939082400.

The previous prime is 553430134507. The next prime is 553430134567. The reversal of 553430134521 is 125431034355.

553430134521 is a `hidden beast` number, since 5 + 5 + 3 + 4 + 301 + 345 + 2 + 1 = 666.

It is not a de Polignac number, because 553430134521 - 2⁷ = 553430134393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (553430134121) 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 23 ways as a sum of consecutive naturals, for example, 3872125 + ... + 4012506.

It is an arithmetic number, because the mean of its divisors is an integer number (36387576680).

Almost surely, 2^553430134521 is an apocalyptic number.

It is an amenable number.

553430134521 is a deficient number, since it is larger than the sum of its proper divisors (319871705799).

553430134521 is a wasteful number, since it uses less digits than its factorization.

553430134521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885357 (or 7885354 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 553430134521 its reverse (125431034355), we get a palindrome (678861168876).

The spelling of 553430134521 in words is "five hundred fifty-three billion, four hundred thirty million, one hundred thirty-four thousand, five hundred twenty-one".