53017101663 has 32 divisors (see below), whose sum is σ = 75792278016. Its totient is φ = 32846266368.

The previous prime is 53017101661. The next prime is 53017101701. The reversal of 53017101663 is 36610171035.

It is a happy number.

It is not a de Polignac number, because 53017101663 - 2¹ = 53017101661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53017101661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14631670 + ... + 14635292.

It is an arithmetic number, because the mean of its divisors is an integer number (2368508688).

Almost surely, 2^53017101663 is an apocalyptic number.

53017101663 is a deficient number, since it is larger than the sum of its proper divisors (22775176353).

53017101663 is a wasteful number, since it uses less digits than its factorization.

53017101663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183.

The product of its (nonzero) digits is 11340, while the sum is 33.

Adding to 53017101663 its reverse (36610171035), we get a palindrome (89627272698).

The spelling of 53017101663 in words is "fifty-three billion, seventeen million, one hundred one thousand, six hundred sixty-three".