61573552 has 10 divisors (see below), whose sum is σ = 119298788. Its totient is φ = 30786768.

The previous prime is 61573531. The next prime is 61573559. The reversal of 61573552 is 25537516.

61573552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61573559) 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 as a sum of consecutive naturals, namely, 1924158 + ... + 1924189.

Almost surely, 2^61573552 is an apocalyptic number.

It is an amenable number.

61573552 is a deficient number, since it is larger than the sum of its proper divisors (57725236).

61573552 is a wasteful number, since it uses less digits than its factorization.

61573552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848355 (or 3848349 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 61573552 is about 7846.8816736332. The cubic root of 61573552 is about 394.8796343184.

The spelling of 61573552 in words is "sixty-one million, five hundred seventy-three thousand, five hundred fifty-two".