52801021 has 8 divisors (see below), whose sum is σ = 64985984. Its totient is φ = 41776560.

The previous prime is 52800977. The next prime is 52801037. The reversal of 52801021 is 12010825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52801021 - 2⁹ = 52800509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52801021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52801121) 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, 290025 + ... + 290206.

It is an arithmetic number, because the mean of its divisors is an integer number (8123248).

Almost surely, 2^52801021 is an apocalyptic number.

It is an amenable number.

52801021 is a deficient number, since it is larger than the sum of its proper divisors (12184963).

52801021 is a wasteful number, since it uses less digits than its factorization.

52801021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580251.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 52801021 is about 7266.4311047446. The cubic root of 52801021 is about 375.1579092002.

Adding to 52801021 its reverse (12010825), we get a palindrome (64811846).

The spelling of 52801021 in words is "fifty-two million, eight hundred one thousand, twenty-one".