553610538 has 120 divisors (see below), whose sum is σ = 1366577388. Its totient is φ = 167401728.

The previous prime is 553610537. The next prime is 553610557. The reversal of 553610538 is 835016355.

553610538 is a `hidden beast` number, since 5 + 5 + 3 + 610 + 5 + 38 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 33907329 + 519703209 = 5823^2 + 22797^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (553610537) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 1998456 + ... + 1998732.

Almost surely, 2^553610538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553610538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683288694).

553610538 is an abundant number, since it is smaller than the sum of its proper divisors (812966850).

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

553610538 is a wasteful number, since it uses less digits than its factorization.

553610538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 553610538 is about 23528.9298099170. The cubic root of 553610538 is about 821.1102045155.

The spelling of 553610538 in words is "five hundred fifty-three million, six hundred ten thousand, five hundred thirty-eight".