553484779 has 4 divisors (see below), whose sum is σ = 555080184. Its totient is φ = 551889376.

The previous prime is 553484761. The next prime is 553484791. The reversal of 553484779 is 977484355.

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

It is a cyclic number.

It is not a de Polignac number, because 553484779 - 2¹¹ = 553482731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553484479) 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, 797182 + ... + 797875.

It is an arithmetic number, because the mean of its divisors is an integer number (138770046).

Almost surely, 2^553484779 is an apocalyptic number.

553484779 is a deficient number, since it is larger than the sum of its proper divisors (1595405).

553484779 is a wasteful number, since it uses less digits than its factorization.

553484779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595404.

The product of its digits is 4233600, while the sum is 52.

The square root of 553484779 is about 23526.2572246416. The cubic root of 553484779 is about 821.0480249318.

The spelling of 553484779 in words is "five hundred fifty-three million, four hundred eighty-four thousand, seven hundred seventy-nine".