553661337 has 8 divisors (see below), whose sum is σ = 748612800. Its totient is φ = 363908720.

The previous prime is 553661263. The next prime is 553661341. The reversal of 553661337 is 733166355.

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

It is a cyclic number.

It is not a de Polignac number, because 553661337 - 2¹⁴ = 553644953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553661295 and 553661304.

It is not an unprimeable number, because it can be changed into a prime (553661347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299462 + ... + 1299887.

It is an arithmetic number, because the mean of its divisors is an integer number (93576600).

Almost surely, 2^553661337 is an apocalyptic number.

It is an amenable number.

553661337 is a deficient number, since it is larger than the sum of its proper divisors (194951463).

553661337 is a wasteful number, since it uses less digits than its factorization.

553661337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599423.

The product of its digits is 170100, while the sum is 39.

The square root of 553661337 is about 23530.0092860160. The cubic root of 553661337 is about 821.1353186217.

The spelling of 553661337 in words is "five hundred fifty-three million, six hundred sixty-one thousand, three hundred thirty-seven".