552538550421 has 96 divisors (see below), whose sum is σ = 946487243520. Its totient is φ = 308753976960.

The previous prime is 552538550401. The next prime is 552538550503. The reversal of 552538550421 is 124055835255.

552538550421 is a `hidden beast` number, since 5 + 5 + 2 + 53 + 8 + 550 + 42 + 1 = 666.

It is not a de Polignac number, because 552538550421 - 2¹⁹ = 552538026133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552538550401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 191387040 + ... + 191389926.

It is an arithmetic number, because the mean of its divisors is an integer number (9859242120).

Almost surely, 2^552538550421 is an apocalyptic number.

It is an amenable number.

552538550421 is a deficient number, since it is larger than the sum of its proper divisors (393948693099).

552538550421 is a wasteful number, since it uses less digits than its factorization.

552538550421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

The spelling of 552538550421 in words is "five hundred fifty-two billion, five hundred thirty-eight million, five hundred fifty thousand, four hundred twenty-one".