52720298 has 8 divisors (see below), whose sum is σ = 83732292. Its totient is φ = 24809536.

The previous prime is 52720277. The next prime is 52720303. The reversal of 52720298 is 89202725.

It can be written as a sum of positive squares in 2 ways, for example, as 52085089 + 635209 = 7217^2 + 797^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775265 + ... + 775332.

Almost surely, 2^52720298 is an apocalyptic number.

52720298 is a deficient number, since it is larger than the sum of its proper divisors (31011994).

52720298 is a wasteful number, since it uses less digits than its factorization.

52720298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550616.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 52720298 is about 7260.8744652418. The cubic root of 52720298 is about 374.9666293268.

The spelling of 52720298 in words is "fifty-two million, seven hundred twenty thousand, two hundred ninety-eight".