553947 has 4 divisors (see below), whose sum is σ = 738600. Its totient is φ = 369296.

The previous prime is 553933. The next prime is 553961. The reversal of 553947 is 749355.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (553933) and next prime (553961).

It is a cyclic number.

It is not a de Polignac number, because 553947 - 2¹⁵ = 521179 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (553447) 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, 92322 + ... + 92327.

It is an arithmetic number, because the mean of its divisors is an integer number (184650).

2⁵⁵³⁹⁴⁷ is an apocalyptic number.

553947 is a deficient number, since it is larger than the sum of its proper divisors (184653).

553947 is a wasteful number, since it uses less digits than its factorization.

553947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184652.

The product of its digits is 18900, while the sum is 33.

The square root of 553947 is about 744.2761584251. The cubic root of 553947 is about 82.1276516638.

The spelling of 553947 in words is "five hundred fifty-three thousand, nine hundred forty-seven".