52999997 has 4 divisors (see below), whose sum is σ = 53220156. Its totient is φ = 52779840.

The previous prime is 52999967. The next prime is 53000011. The reversal of 52999997 is 79999925.

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 43178041 + 9821956 = 6571^2 + 3134^2 .

It is a cyclic number.

It is not a de Polignac number, because 52999997 - 2¹⁴ = 52983613 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 (52999937) 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, 109718 + ... + 110199.

It is an arithmetic number, because the mean of its divisors is an integer number (13305039).

Almost surely, 2^52999997 is an apocalyptic number.

It is an amenable number.

52999997 is a deficient number, since it is larger than the sum of its proper divisors (220159).

52999997 is a wasteful number, since it uses less digits than its factorization.

52999997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220158.

The product of its digits is 4133430, while the sum is 59.

The square root of 52999997 is about 7280.1096832397. The cubic root of 52999997 is about 375.6285683348.

The spelling of 52999997 in words is "fifty-two million, nine hundred ninety-nine thousand, nine hundred ninety-seven".