553697 has 8 divisors (see below), whose sum is σ = 584040. Its totient is φ = 524160.

The previous prime is 553687. The next prime is 553699. The reversal of 553697 is 796355.

It can be written as a sum of positive squares in 4 ways, for example, as 33856 + 519841 = 184^2 + 721^2 .

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 553697 - 2⁴ = 553681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553699) 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, 1613 + ... + 1925.

It is an arithmetic number, because the mean of its divisors is an integer number (73005).

2⁵⁵³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

553697 is a deficient number, since it is larger than the sum of its proper divisors (30343).

553697 is a wasteful number, since it uses less digits than its factorization.

553697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its digits is 28350, while the sum is 35.

The square root of 553697 is about 744.1081910583. The cubic root of 553697 is about 82.1152948846.

The spelling of 553697 in words is "five hundred fifty-three thousand, six hundred ninety-seven".