53670871 has 4 divisors (see below), whose sum is σ = 54317592. Its totient is φ = 53024152.

The previous prime is 53670863. The next prime is 53670893. The reversal of 53670871 is 17807635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53670871 - 2³ = 53670863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53670871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53670811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323236 + ... + 323401.

It is an arithmetic number, because the mean of its divisors is an integer number (13579398).

Almost surely, 2^53670871 is an apocalyptic number.

53670871 is a deficient number, since it is larger than the sum of its proper divisors (646721).

53670871 is an equidigital number, since it uses as much as digits as its factorization.

53670871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646720.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 53670871 is about 7326.0406086781. The cubic root of 53670871 is about 377.2068299655.

The spelling of 53670871 in words is "fifty-three million, six hundred seventy thousand, eight hundred seventy-one".