53216711 has 8 divisors (see below), whose sum is σ = 55248480. Its totient is φ = 51198112.

The previous prime is 53216707. The next prime is 53216731. The reversal of 53216711 is 11761235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53216711 - 2² = 53216707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53216731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5366 + ... + 11628.

It is an arithmetic number, because the mean of its divisors is an integer number (6906060).

Almost surely, 2^53216711 is an apocalyptic number.

53216711 is a deficient number, since it is larger than the sum of its proper divisors (2031769).

53216711 is a wasteful number, since it uses less digits than its factorization.

53216711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585.

The product of its digits is 1260, while the sum is 26.

The square root of 53216711 is about 7294.9784783781. The cubic root of 53216711 is about 376.1398467841.

Adding to 53216711 its reverse (11761235), we get a palindrome (64977946).

The spelling of 53216711 in words is "fifty-three million, two hundred sixteen thousand, seven hundred eleven".