553750000 has 80 divisors (see below), whose sum is σ = 1344137184. Its totient is φ = 221000000.

The previous prime is 553749953. The next prime is 553750013. The reversal of 553750000 is 57355.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249779 + ... + 1250221.

Almost surely, 2^553750000 is an apocalyptic number.

553750000 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 553750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672068592).

553750000 is an abundant number, since it is smaller than the sum of its proper divisors (790387184).

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

553750000 is an frugal number, since it uses more digits than its factorization.

553750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 553750000 is about 23531.8932515002. The cubic root of 553750000 is about 821.1791483240.

The spelling of 553750000 in words is "five hundred fifty-three million, seven hundred fifty thousand".