635553053 has 4 divisors (see below), whose sum is σ = 638846268. Its totient is φ = 632259840.

The previous prime is 635553049. The next prime is 635553071. The reversal of 635553053 is 350355536.

635553053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245016409 + 390536644 = 15653^2 + 19762^2 .

It is a cyclic number.

It is not a de Polignac number, because 635553053 - 2² = 635553049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635553353) 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, 1646318 + ... + 1646703.

It is an arithmetic number, because the mean of its divisors is an integer number (159711567).

Almost surely, 2^635553053 is an apocalyptic number.

It is an amenable number.

635553053 is a deficient number, since it is larger than the sum of its proper divisors (3293215).

635553053 is a wasteful number, since it uses less digits than its factorization.

635553053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293214.

The product of its (nonzero) digits is 101250, while the sum is 35.

The square root of 635553053 is about 25210.1775677999. The cubic root of 635553053 is about 859.7732649978.

The spelling of 635553053 in words is "six hundred thirty-five million, five hundred fifty-three thousand, fifty-three".