52220459 has 4 divisors (see below), whose sum is σ = 52234920. Its totient is φ = 52206000.

The previous prime is 52220437. The next prime is 52220471. The reversal of 52220459 is 95402225.

52220459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52220459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52220479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3272 + ... + 10730.

It is an arithmetic number, because the mean of its divisors is an integer number (13058730).

Almost surely, 2^52220459 is an apocalyptic number.

52220459 is a deficient number, since it is larger than the sum of its proper divisors (14461).

52220459 is an equidigital number, since it uses as much as digits as its factorization.

52220459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 52220459 is about 7226.3724647986. The cubic root of 52220459 is about 373.7778499994. Note that the first 3 decimals are identical.

The spelling of 52220459 in words is "fifty-two million, two hundred twenty thousand, four hundred fifty-nine".