53222761 has 8 divisors (see below), whose sum is σ = 54810440. Its totient is φ = 51643008.

The previous prime is 53222737. The next prime is 53222773. The reversal of 53222761 is 16722235.

53222761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 44555625 + 8667136 = 6675^2 + 2944^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53222761 - 2¹⁵ = 53189993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53222711) 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 7 ways as a sum of consecutive naturals, for example, 13375 + ... + 16891.

It is an arithmetic number, because the mean of its divisors is an integer number (6851305).

Almost surely, 2^53222761 is an apocalyptic number.

It is an amenable number.

53222761 is a deficient number, since it is larger than the sum of its proper divisors (1587679).

53222761 is a wasteful number, since it uses less digits than its factorization.

53222761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963.

The product of its digits is 5040, while the sum is 28.

The square root of 53222761 is about 7295.3931353972. The cubic root of 53222761 is about 376.1541002006.

Adding to 53222761 its reverse (16722235), we get a palindrome (69944996).

The spelling of 53222761 in words is "fifty-three million, two hundred twenty-two thousand, seven hundred sixty-one".