53656871 has 8 divisors (see below), whose sum is σ = 54113904. Its totient is φ = 53202240.

The previous prime is 53656859. The next prime is 53656891. The reversal of 53656871 is 17865635.

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 53656871 - 2¹⁸ = 53394727 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 (53656831) 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, 97820 + ... + 98366.

It is an arithmetic number, because the mean of its divisors is an integer number (6764238).

Almost surely, 2^53656871 is an apocalyptic number.

53656871 is a deficient number, since it is larger than the sum of its proper divisors (457033).

53656871 is a wasteful number, since it uses less digits than its factorization.

53656871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201.

The product of its digits is 151200, while the sum is 41.

The square root of 53656871 is about 7325.0850507008. The cubic root of 53656871 is about 377.1740290889.

The spelling of 53656871 in words is "fifty-three million, six hundred fifty-six thousand, eight hundred seventy-one".