52280371 has 32 divisors (see below), whose sum is σ = 64886976. Its totient is φ = 41472000.

The previous prime is 52280341. The next prime is 52280399. The reversal of 52280371 is 17308225.

It is a 12-Lehmer number, since φ(52280371) divides (52280371-1)¹².

It is a cyclic number.

It is not a de Polignac number, because 52280371 - 2¹¹ = 52278323 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a deceptive number, since it divides R_52280370.

It is not an unprimeable number, because it can be changed into a prime (52280341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216811 + ... + 217051.

It is an arithmetic number, because the mean of its divisors is an integer number (2027718).

Almost surely, 2^52280371 is an apocalyptic number.

52280371 is a deficient number, since it is larger than the sum of its proper divisors (12606605).

52280371 is a wasteful number, since it uses less digits than its factorization.

52280371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 52280371 is about 7230.5166482071. The cubic root of 52280371 is about 373.9207392066.

Adding to 52280371 its reverse (17308225), we get a palindrome (69588596).

The spelling of 52280371 in words is "fifty-two million, two hundred eighty thousand, three hundred seventy-one".