52284397 has 4 divisors (see below), whose sum is σ = 57037536. Its totient is φ = 47531260.

The previous prime is 52284377. The next prime is 52284403. The reversal of 52284397 is 79348225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52284397 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 (52284347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376553 + ... + 2376574.

It is an arithmetic number, because the mean of its divisors is an integer number (14259384).

Almost surely, 2^52284397 is an apocalyptic number.

It is an amenable number.

52284397 is a deficient number, since it is larger than the sum of its proper divisors (4753139).

52284397 is a wasteful number, since it uses less digits than its factorization.

52284397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753138.

The product of its digits is 120960, while the sum is 40.

The square root of 52284397 is about 7230.7950461896. The cubic root of 52284397 is about 373.9303372401.

The spelling of 52284397 in words is "fifty-two million, two hundred eighty-four thousand, three hundred ninety-seven".