552505222520 has 32 divisors (see below), whose sum is σ = 1266592165920. Its totient is φ = 216832237440.

The previous prime is 552505222501. The next prime is 552505222603. The reversal of 552505222520 is 25222505255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130305716 + ... + 130309955.

It is an arithmetic number, because the mean of its divisors is an integer number (39581005185).

Almost surely, 2^552505222520 is an apocalyptic number.

It is an amenable number.

552505222520 is an abundant number, since it is smaller than the sum of its proper divisors (714086943400).

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

552505222520 is a wasteful number, since it uses less digits than its factorization.

552505222520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260615735 (or 260615731 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 35.

Adding to 552505222520 its reverse (25222505255), we get a palindrome (577727727775).

The spelling of 552505222520 in words is "five hundred fifty-two billion, five hundred five million, two hundred twenty-two thousand, five hundred twenty".