553973 has 4 divisors (see below), whose sum is σ = 633120. Its totient is φ = 474828.

The previous prime is 553963. The next prime is 553981. The reversal of 553973 is 379355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 553973 - 2¹² = 549877 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 (553933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39563 + ... + 39576.

It is an arithmetic number, because the mean of its divisors is an integer number (158280).

2⁵⁵³⁹⁷³ is an apocalyptic number.

It is an amenable number.

553973 is a deficient number, since it is larger than the sum of its proper divisors (79147).

553973 is an equidigital number, since it uses as much as digits as its factorization.

553973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79146.

The product of its digits is 14175, while the sum is 32.

The square root of 553973 is about 744.2936248551. The cubic root of 553973 is about 82.1289365554.

The spelling of 553973 in words is "five hundred fifty-three thousand, nine hundred seventy-three".