552215004520 has 128 divisors (see below), whose sum is σ = 1341035274240. Its totient is φ = 203899207680.

The previous prime is 552215004491. The next prime is 552215004569. The reversal of 552215004520 is 25400512255.

It is a happy number.

It is a super-2 number, since 2×552215004520² (a number of 24 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 9288409 + ... + 9347671.

It is an arithmetic number, because the mean of its divisors is an integer number (10476838080).

Almost surely, 2^552215004520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552215004520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670517637120).

552215004520 is an abundant number, since it is smaller than the sum of its proper divisors (788820269720).

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

552215004520 is a wasteful number, since it uses less digits than its factorization.

552215004520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59555 (or 59551 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 552215004520 its reverse (25400512255), we get a palindrome (577615516775).

The spelling of 552215004520 in words is "five hundred fifty-two billion, two hundred fifteen million, four thousand, five hundred twenty".