53226561 has 8 divisors (see below), whose sum is σ = 72619360. Its totient is φ = 34659072.

The previous prime is 53226533. The next prime is 53226601. The reversal of 53226561 is 16562235.

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

It is not a de Polignac number, because 53226561 - 2⁵ = 53226529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53226661) 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, 206176 + ... + 206433.

It is an arithmetic number, because the mean of its divisors is an integer number (9077420).

Almost surely, 2^53226561 is an apocalyptic number.

It is an amenable number.

53226561 is a deficient number, since it is larger than the sum of its proper divisors (19392799).

53226561 is a wasteful number, since it uses less digits than its factorization.

53226561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412655.

The product of its digits is 10800, while the sum is 30.

The square root of 53226561 is about 7295.6535690780. The cubic root of 53226561 is about 376.1630522074.

Adding to 53226561 its reverse (16562235), we get a palindrome (69788796).

The spelling of 53226561 in words is "fifty-three million, two hundred twenty-six thousand, five hundred sixty-one".