553142500 has 60 divisors (see below), whose sum is σ = 1222618012. Its totient is φ = 218880000.

The previous prime is 553142453. The next prime is 553142507. The reversal of 553142500 is 5241355.

It can be written as a sum of positive squares in 10 ways, for example, as 413146276 + 139996224 = 20326^2 + 11832^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (553142507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 241360 + ... + 243640.

Almost surely, 2^553142500 is an apocalyptic number.

553142500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553142500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611309006).

553142500 is an abundant number, since it is smaller than the sum of its proper divisors (669475512).

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

553142500 is a wasteful number, since it uses less digits than its factorization.

553142500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 553142500 is about 23518.9816956432. The cubic root of 553142500 is about 820.8787426816.

Adding to 553142500 its reverse (5241355), we get a palindrome (558383855).

The spelling of 553142500 in words is "five hundred fifty-three million, one hundred forty-two thousand, five hundred".