553573730 has 8 divisors (see below), whose sum is σ = 996432732. Its totient is φ = 221429488.

The previous prime is 553573717. The next prime is 553573733. The reversal of 553573730 is 37375355.

It can be written as a sum of positive squares in 2 ways, for example, as 549292969 + 4280761 = 23437^2 + 2069^2 .

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

It is a super-2 number, since 2×553573730² = 612887749092225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (553573733) 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 3 ways as a sum of consecutive naturals, for example, 27678677 + ... + 27678696.

Almost surely, 2^553573730 is an apocalyptic number.

553573730 is a deficient number, since it is larger than the sum of its proper divisors (442859002).

553573730 is a wasteful number, since it uses less digits than its factorization.

553573730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55357380.

The product of its (nonzero) digits is 165375, while the sum is 38.

The square root of 553573730 is about 23528.1476108936. The cubic root of 553573730 is about 821.0920063466.

The spelling of 553573730 in words is "five hundred fifty-three million, five hundred seventy-three thousand, seven hundred thirty".