53772226 has 12 divisors (see below), whose sum is σ = 81430902. Its totient is φ = 26629616.

The previous prime is 53772221. The next prime is 53772227. The reversal of 53772226 is 62227735.

It can be written as a sum of positive squares in only one way, i.e., 44156025 + 9616201 = 6645^2 + 3101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53772191 and 53772200.

It is not an unprimeable number, because it can be changed into a prime (53772221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121161 + ... + 121603.

Almost surely, 2^53772226 is an apocalyptic number.

53772226 is a deficient number, since it is larger than the sum of its proper divisors (27658676).

53772226 is an equidigital number, since it uses as much as digits as its factorization.

53772226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 582 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 53772226 is about 7332.9547932604. The cubic root of 53772226 is about 377.4441266370. Note that the first 3 decimals are identical.

The spelling of 53772226 in words is "fifty-three million, seven hundred seventy-two thousand, two hundred twenty-six".