53101663 has 4 divisors (see below), whose sum is σ = 53458200. Its totient is φ = 52745128.

The previous prime is 53101661. The next prime is 53101669. The reversal of 53101663 is 36610135.

53101663 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 is a cyclic number.

It is not a de Polignac number, because 53101663 - 2¹ = 53101661 is a prime.

It is a super-2 number, since 2×53101663² = 5639573226731138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53101661) 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, 178045 + ... + 178342.

It is an arithmetic number, because the mean of its divisors is an integer number (13364550).

Almost surely, 2^53101663 is an apocalyptic number.

53101663 is a deficient number, since it is larger than the sum of its proper divisors (356537).

53101663 is a wasteful number, since it uses less digits than its factorization.

53101663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356536.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 53101663 is about 7287.0887877121. The cubic root of 53101663 is about 375.8685951525.

Adding to 53101663 its reverse (36610135), we get a palindrome (89711798).

The spelling of 53101663 in words is "fifty-three million, one hundred one thousand, six hundred sixty-three".