53216677 has 4 divisors (see below), whose sum is σ = 54933376. Its totient is φ = 51499980.

The previous prime is 53216633. The next prime is 53216689. The reversal of 53216677 is 77661235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53216677 - 2¹⁹ = 52692389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53216617) 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 3 ways as a sum of consecutive naturals, for example, 858303 + ... + 858364.

It is an arithmetic number, because the mean of its divisors is an integer number (13733344).

Almost surely, 2^53216677 is an apocalyptic number.

It is an amenable number.

53216677 is a deficient number, since it is larger than the sum of its proper divisors (1716699).

53216677 is a wasteful number, since it uses less digits than its factorization.

53216677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716698.

The product of its digits is 52920, while the sum is 37.

The square root of 53216677 is about 7294.9761480076. The cubic root of 53216677 is about 376.1397666792.

The spelling of 53216677 in words is "fifty-three million, two hundred sixteen thousand, six hundred seventy-seven".