553730 has 8 divisors (see below), whose sum is σ = 996732. Its totient is φ = 221488.

The previous prime is 553727. The next prime is 553733. The reversal of 553730 is 37355.

It is an interprime number because it is at equal distance from previous prime (553727) and next prime (553733).

It can be written as a sum of positive squares in 2 ways, for example, as 552049 + 1681 = 743^2 + 41^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 553696 and 553705.

It is not an unprimeable number, because it can be changed into a prime (553733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27677 + ... + 27696.

2⁵⁵³⁷³⁰ is an apocalyptic number.

553730 is a deficient number, since it is larger than the sum of its proper divisors (443002).

553730 is a wasteful number, since it uses less digits than its factorization.

553730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55380.

The product of its (nonzero) digits is 1575, while the sum is 23.

The square root of 553730 is about 744.1303649227. The cubic root of 553730 is about 82.1169261925.

It can be divided in two parts, 5 and 53730, that added together give a palindrome (53735).

The spelling of 553730 in words is "five hundred fifty-three thousand, seven hundred thirty".