553525974865 has 4 divisors (see below), whose sum is σ = 664231169844. Its totient is φ = 442820779888.

The previous prime is 553525974829. The next prime is 553525974899. The reversal of 553525974865 is 568479525355.

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 85668606864 + 467857368001 = 292692^2 + 684001^2 .

It is a cyclic number.

It is not a de Polignac number, because 553525974865 - 2⁷ = 553525974737 is a prime.

It is a super-2 number, since 2×553525974865² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553525974797 and 553525974806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55352597482 + ... + 55352597491.

It is an arithmetic number, because the mean of its divisors is an integer number (166057792461).

Almost surely, 2^553525974865 is an apocalyptic number.

It is an amenable number.

553525974865 is a deficient number, since it is larger than the sum of its proper divisors (110705194979).

553525974865 is a wasteful number, since it uses less digits than its factorization.

553525974865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110705194978.

The product of its digits is 226800000, while the sum is 64.

The spelling of 553525974865 in words is "five hundred fifty-three billion, five hundred twenty-five million, nine hundred seventy-four thousand, eight hundred sixty-five".