553321253532 has 24 divisors (see below), whose sum is σ = 1309267193472. Its totient is φ = 181842665200.

The previous prime is 553321253479. The next prime is 553321253539. The reversal of 553321253532 is 235352123355.

It is a super-2 number, since 2×553321253532² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553321253539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324718194 + ... + 324719897.

It is an arithmetic number, because the mean of its divisors is an integer number (54552799728).

Almost surely, 2^553321253532 is an apocalyptic number.

It is an amenable number.

553321253532 is an abundant number, since it is smaller than the sum of its proper divisors (755945939940).

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

553321253532 is a wasteful number, since it uses less digits than its factorization.

553321253532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649438169 (or 649438167 counting only the distinct ones).

The product of its digits is 405000, while the sum is 39.

Adding to 553321253532 its reverse (235352123355), we get a palindrome (788673376887).

The spelling of 553321253532 in words is "five hundred fifty-three billion, three hundred twenty-one million, two hundred fifty-three thousand, five hundred thirty-two".