61546544 has 10 divisors (see below), whose sum is σ = 119246460. Its totient is φ = 30773264.

The previous prime is 61546489. The next prime is 61546549. The reversal of 61546544 is 44564516.

It is not an unprimeable number, because it can be changed into a prime (61546549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1923314 + ... + 1923345.

It is an arithmetic number, because the mean of its divisors is an integer number (11924646).

Almost surely, 2^61546544 is an apocalyptic number.

It is an amenable number.

61546544 is a deficient number, since it is larger than the sum of its proper divisors (57699916).

61546544 is a wasteful number, since it uses less digits than its factorization.

61546544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846667 (or 3846661 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 61546544 is about 7845.1605464770. The cubic root of 61546544 is about 394.8218905387.

The spelling of 61546544 in words is "sixty-one million, five hundred forty-six thousand, five hundred forty-four".