53216051 has 16 divisors (see below), whose sum is σ = 62060544. Its totient is φ = 44691264.

The previous prime is 53216047. The next prime is 53216063. The reversal of 53216051 is 15061235.

It is a cyclic number.

It is not a de Polignac number, because 53216051 - 2² = 53216047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53216021) 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 15 ways as a sum of consecutive naturals, for example, 113720 + ... + 114186.

It is an arithmetic number, because the mean of its divisors is an integer number (3878784).

Almost surely, 2^53216051 is an apocalyptic number.

53216051 is a deficient number, since it is larger than the sum of its proper divisors (8844493).

53216051 is a wasteful number, since it uses less digits than its factorization.

53216051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 53216051 is about 7294.9332416411. The cubic root of 53216051 is about 376.1382918005.

Adding to 53216051 its reverse (15061235), we get a palindrome (68277286).

The spelling of 53216051 in words is "fifty-three million, two hundred sixteen thousand, fifty-one".