61053644 has 24 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 29955200.

The previous prime is 61053617. The next prime is 61053659. The reversal of 61053644 is 44635016.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52469 + ... + 53619.

It is an arithmetic number, because the mean of its divisors is an integer number (4536000).

Almost surely, 2^61053644 is an apocalyptic number.

It is an amenable number.

61053644 is a deficient number, since it is larger than the sum of its proper divisors (47810356).

61053644 is a wasteful number, since it uses less digits than its factorization.

61053644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 61053644 is about 7813.6831264136. The cubic root of 61053644 is about 393.7650776455.

The spelling of 61053644 in words is "sixty-one million, fifty-three thousand, six hundred forty-four".