553129425 has 192 divisors, whose sum is σ = 1178496000. Its totient is φ = 252564480.

The previous prime is 553129351. The next prime is 553129439. The reversal of 553129425 is 524921355.

It is a happy number.

553129425 is a `hidden beast` number, since 553 + 12 + 94 + 2 + 5 = 666.

It is not a de Polignac number, because 553129425 - 2⁹ = 553128913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553129425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9375046 + ... + 9375104.

It is an arithmetic number, because the mean of its divisors is an integer number (6138000).

Almost surely, 2^553129425 is an apocalyptic number.

It is an amenable number.

553129425 is an abundant number, since it is smaller than the sum of its proper divisors (625366575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553129425 is a wasteful number, since it uses less digits than its factorization.

553129425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 146 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 553129425 is about 23518.7037270339. The cubic root of 553129425 is about 820.8722747436.

The spelling of 553129425 in words is "five hundred fifty-three million, one hundred twenty-nine thousand, four hundred twenty-five".