553489020 has 288 divisors, whose sum is σ = 2037934080. Its totient is φ = 118863360.

The previous prime is 553489007. The next prime is 553489021. The reversal of 553489020 is 20984355.

553489020 is a `hidden beast` number, since 553 + 4 + 89 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553489021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2057446 + ... + 2057714.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^553489020 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 553489020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018967040).

553489020 is an abundant number, since it is smaller than the sum of its proper divisors (1484445060).

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

553489020 is a wasteful number, since it uses less digits than its factorization.

553489020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 553489020 is about 23526.3473578029. The cubic root of 553489020 is about 821.0501219818.

The spelling of 553489020 in words is "five hundred fifty-three million, four hundred eighty-nine thousand, twenty".