52621671 has 4 divisors (see below), whose sum is σ = 70162232. Its totient is φ = 35081112.

The previous prime is 52621609. The next prime is 52621691. The reversal of 52621671 is 17612625.

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

It is not a de Polignac number, because 52621671 - 2⁶ = 52621607 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 (52621691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8770276 + ... + 8770281.

It is an arithmetic number, because the mean of its divisors is an integer number (17540558).

Almost surely, 2^52621671 is an apocalyptic number.

52621671 is a deficient number, since it is larger than the sum of its proper divisors (17540561).

52621671 is a wasteful number, since it uses less digits than its factorization.

52621671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17540560.

The product of its digits is 5040, while the sum is 30.

The square root of 52621671 is about 7254.0796108121. The cubic root of 52621671 is about 374.7326592335.

The spelling of 52621671 in words is "fifty-two million, six hundred twenty-one thousand, six hundred seventy-one".