553616634 has 16 divisors (see below), whose sum is σ = 1107475488. Its totient is φ = 184498512.

The previous prime is 553616629. The next prime is 553616659. The reversal of 553616634 is 436616355.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 553616592 and 553616601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35389 + ... + 48575.

It is an arithmetic number, because the mean of its divisors is an integer number (69217218).

Almost surely, 2^553616634 is an apocalyptic number.

553616634 is an abundant number, since it is smaller than the sum of its proper divisors (553858854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553616634 is a wasteful number, since it uses less digits than its factorization.

553616634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20189.

The product of its digits is 194400, while the sum is 39.

The square root of 553616634 is about 23529.0593522138. The cubic root of 553616634 is about 821.1132183487.

The spelling of 553616634 in words is "five hundred fifty-three million, six hundred sixteen thousand, six hundred thirty-four".