52571801 has 4 divisors (see below), whose sum is σ = 52600932. Its totient is φ = 52542672.

The previous prime is 52571797. The next prime is 52571807. The reversal of 52571801 is 10817525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32501401 + 20070400 = 5701^2 + 4480^2 .

It is a cyclic number.

It is not a de Polignac number, because 52571801 - 2² = 52571797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52571807) 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, 11666 + ... + 15531.

It is an arithmetic number, because the mean of its divisors is an integer number (13150233).

Almost surely, 2^52571801 is an apocalyptic number.

It is an amenable number.

52571801 is a deficient number, since it is larger than the sum of its proper divisors (29131).

52571801 is a wasteful number, since it uses less digits than its factorization.

52571801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29130.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 52571801 is about 7250.6414199021. The cubic root of 52571801 is about 374.6142427203.

The spelling of 52571801 in words is "fifty-two million, five hundred seventy-one thousand, eight hundred one".