552555452520 has 128 divisors (see below), whose sum is σ = 1843627968000. Its totient is φ = 147206004480.

The previous prime is 552555452509. The next prime is 552555452563. The reversal of 552555452520 is 25254555255.

It is a happy number.

552555452520 is a `hidden beast` number, since 5 + 5 + 2 + 55 + 54 + 525 + 20 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 875910 + ... + 1368330.

It is an arithmetic number, because the mean of its divisors is an integer number (14403343500).

Almost surely, 2^552555452520 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 552555452520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921813984000).

552555452520 is an abundant number, since it is smaller than the sum of its proper divisors (1291072515480).

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

552555452520 is a wasteful number, since it uses less digits than its factorization.

552555452520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493480 (or 493470 counting only the distinct ones).

The product of its (nonzero) digits is 2500000, while the sum is 45.

The spelling of 552555452520 in words is "five hundred fifty-two billion, five hundred fifty-five million, four hundred fifty-two thousand, five hundred twenty".