53051663 has 12 divisors (see below), whose sum is σ = 63220752. Its totient is φ = 44362080.

The previous prime is 53051659. The next prime is 53051683. The reversal of 53051663 is 36615035.

It is not a de Polignac number, because 53051663 - 2² = 53051659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53051623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11195 + ... + 15212.

It is an arithmetic number, because the mean of its divisors is an integer number (5268396).

Almost surely, 2^53051663 is an apocalyptic number.

53051663 is a deficient number, since it is larger than the sum of its proper divisors (10169089).

53051663 is a wasteful number, since it uses less digits than its factorization.

53051663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26462 (or 26455 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 53051663 is about 7283.6572544293. The cubic root of 53051663 is about 375.7505867239.

Adding to 53051663 its reverse (36615035), we get a palindrome (89666698).

The spelling of 53051663 in words is "fifty-three million, fifty-one thousand, six hundred sixty-three".