52920001 has 4 divisors (see below), whose sum is σ = 53787604. Its totient is φ = 52052400.

The previous prime is 52919981. The next prime is 52920037. The reversal of 52920001 is 10002925.

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 12787776 + 40132225 = 3576^2 + 6335^2 .

It is a cyclic number.

It is not a de Polignac number, because 52920001 - 2⁵ = 52919969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52920601) 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, 433710 + ... + 433831.

It is an arithmetic number, because the mean of its divisors is an integer number (13446901).

Almost surely, 2^52920001 is an apocalyptic number.

It is an amenable number.

52920001 is a deficient number, since it is larger than the sum of its proper divisors (867603).

52920001 is an equidigital number, since it uses as much as digits as its factorization.

52920001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867602.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 52920001 is about 7274.6134605215. The cubic root of 52920001 is about 375.4394871054.

Adding to 52920001 its reverse (10002925), we get a palindrome (62922926).

The spelling of 52920001 in words is "fifty-two million, nine hundred twenty thousand, one".