63285553 has 4 divisors (see below), whose sum is σ = 63392868. Its totient is φ = 63178240.

The previous prime is 63285529. The next prime is 63285559. The reversal of 63285553 is 35558236.

63285553 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 40360609 + 22924944 = 6353^2 + 4788^2 .

It is a cyclic number.

It is not a de Polignac number, because 63285553 - 2²¹ = 61188401 is a prime.

It is a super-2 number, since 2×63285553² = 8010122437031618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63285559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52768 + ... + 53953.

It is an arithmetic number, because the mean of its divisors is an integer number (15848217).

Almost surely, 2^63285553 is an apocalyptic number.

It is an amenable number.

63285553 is a deficient number, since it is larger than the sum of its proper divisors (107315).

63285553 is a wasteful number, since it uses less digits than its factorization.

63285553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107314.

The product of its digits is 108000, while the sum is 37.

The square root of 63285553 is about 7955.2217442382. The cubic root of 63285553 is about 398.5059955742.

It can be divided in two parts, 6328 and 5553, that added together give a square (11881 = 109²).

The spelling of 63285553 in words is "sixty-three million, two hundred eighty-five thousand, five hundred fifty-three".