553548420 has 72 divisors (see below), whose sum is σ = 1683503640. Its totient is φ = 147225600.

The previous prime is 553548389. The next prime is 553548517. The reversal of 553548420 is 24845355.

553548420 is a `hidden beast` number, since 553 + 5 + 4 + 84 + 20 = 666.

553548420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 362445444 + 191102976 = 19038^2 + 13824^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68346 + ... + 76014.

It is an arithmetic number, because the mean of its divisors is an integer number (23381995).

Almost surely, 2^553548420 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 553548420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841751820).

553548420 is an abundant number, since it is smaller than the sum of its proper divisors (1129955220).

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

553548420 is a wasteful number, since it uses less digits than its factorization.

553548420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085 (or 8080 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 553548420 is about 23527.6097383478. The cubic root of 553548420 is about 821.0794924125.

The spelling of 553548420 in words is "five hundred fifty-three million, five hundred forty-eight thousand, four hundred twenty".