61533224 has 16 divisors (see below), whose sum is σ = 117331200. Its totient is φ = 30244912.

The previous prime is 61533161. The next prime is 61533247. The reversal of 61533224 is 42233516.

61533224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61533193 and 61533202.

It is an unprimeable number.

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, 64712 + ... + 65655.

It is an arithmetic number, because the mean of its divisors is an integer number (7333200).

Almost surely, 2^61533224 is an apocalyptic number.

It is an amenable number.

61533224 is a deficient number, since it is larger than the sum of its proper divisors (55797976).

61533224 is a wasteful number, since it uses less digits than its factorization.

61533224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130432 (or 130428 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 61533224 is about 7844.3115695388. The cubic root of 61533224 is about 394.7934058252.

The spelling of 61533224 in words is "sixty-one million, five hundred thirty-three thousand, two hundred twenty-four".