553798128 has 120 divisors (see below), whose sum is σ = 1561118832. Its totient is φ = 169089024.

The previous prime is 553798127. The next prime is 553798169. The reversal of 553798128 is 821897355.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553798127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1889950 + ... + 1890242.

Almost surely, 2^553798128 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 553798128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780559416).

553798128 is an abundant number, since it is smaller than the sum of its proper divisors (1007320704).

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

553798128 is a wasteful number, since it uses less digits than its factorization.

553798128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 544 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The square root of 553798128 is about 23532.9158414337. The cubic root of 553798128 is about 821.2029379795.

The spelling of 553798128 in words is "five hundred fifty-three million, seven hundred ninety-eight thousand, one hundred twenty-eight".