5685634553 has 4 divisors (see below), whose sum is σ = 5686696548. Its totient is φ = 5684572560.

The previous prime is 5685634541. The next prime is 5685634583. The reversal of 5685634553 is 3554365865.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1700490169 + 3985144384 = 41237^2 + 63128^2 .

It is a cyclic number.

It is not a de Polignac number, because 5685634553 - 2¹⁶ = 5685569017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5685634583) 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, 522926 + ... + 533687.

It is an arithmetic number, because the mean of its divisors is an integer number (1421674137).

Almost surely, 2^5685634553 is an apocalyptic number.

It is an amenable number.

5685634553 is a deficient number, since it is larger than the sum of its proper divisors (1061995).

5685634553 is a wasteful number, since it uses less digits than its factorization.

5685634553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061994.

The product of its digits is 6480000, while the sum is 50.

The square root of 5685634553 is about 75403.1468375160. The cubic root of 5685634553 is about 1784.8140686739.

The spelling of 5685634553 in words is "five billion, six hundred eighty-five million, six hundred thirty-four thousand, five hundred fifty-three".