52272899 has 8 divisors (see below), whose sum is σ = 59806560. Its totient is φ = 44755776.

The previous prime is 52272881. The next prime is 52272917. The reversal of 52272899 is 99827225.

It is a Cunningham number, because it is equal to 7230²-1.

It is an interprime number because it is at equal distance from previous prime (52272881) and next prime (52272917).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52272899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52272299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3617 + ... + 10845.

It is an arithmetic number, because the mean of its divisors is an integer number (7475820).

Almost surely, 2^52272899 is an apocalyptic number.

52272899 is a deficient number, since it is larger than the sum of its proper divisors (7533661).

52272899 is a wasteful number, since it uses less digits than its factorization.

52272899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269.

The product of its digits is 181440, while the sum is 44.

The square root of 52272899 is about 7229.9999308437. Note that the first 4 decimals coincide. The cubic root of 52272899 is about 373.9029245608.

The spelling of 52272899 in words is "fifty-two million, two hundred seventy-two thousand, eight hundred ninety-nine".