53409671 has 8 divisors (see below), whose sum is σ = 61100064. Its totient is φ = 45734400.

The previous prime is 53409649. The next prime is 53409689. The reversal of 53409671 is 17690435.

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 53409671 - 2⁶ = 53409607 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 (53409641) 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 7 ways as a sum of consecutive naturals, for example, 5231 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (7637508).

Almost surely, 2^53409671 is an apocalyptic number.

53409671 is a deficient number, since it is larger than the sum of its proper divisors (7690393).

53409671 is a wasteful number, since it uses less digits than its factorization.

53409671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 53409671 is about 7308.1920472850. The cubic root of 53409671 is about 376.5939171724.

The spelling of 53409671 in words is "fifty-three million, four hundred nine thousand, six hundred seventy-one".