53663311 has 16 divisors (see below), whose sum is σ = 60278400. Its totient is φ = 47432448.

The previous prime is 53663303. The next prime is 53663327. The reversal of 53663311 is 11336635.

It is a cyclic number.

It is not a de Polignac number, because 53663311 - 2³ = 53663303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53663311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53663111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51130 + ... + 52168.

It is an arithmetic number, because the mean of its divisors is an integer number (3767400).

Almost surely, 2^53663311 is an apocalyptic number.

53663311 is a deficient number, since it is larger than the sum of its proper divisors (6615089).

53663311 is a wasteful number, since it uses less digits than its factorization.

53663311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218.

The product of its digits is 4860, while the sum is 28.

The square root of 53663311 is about 7325.5246228513. The cubic root of 53663311 is about 377.1891182007.

Adding to 53663311 its reverse (11336635), we get a palindrome (64999946).

The spelling of 53663311 in words is "fifty-three million, six hundred sixty-three thousand, three hundred eleven".