61441544 has 16 divisors (see below), whose sum is σ = 115555920. Its totient is φ = 30626640.

The previous prime is 61441543. The next prime is 61441559. The reversal of 61441544 is 44514416.

It is not an unprimeable number, because it can be changed into a prime (61441543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8954 + ... + 14249.

It is an arithmetic number, because the mean of its divisors is an integer number (7222245).

Almost surely, 2^61441544 is an apocalyptic number.

It is an amenable number.

61441544 is a deficient number, since it is larger than the sum of its proper divisors (54114376).

61441544 is a wasteful number, since it uses less digits than its factorization.

61441544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23540 (or 23536 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 61441544 is about 7838.4656661875. The cubic root of 61441544 is about 394.5972372744.

The spelling of 61441544 in words is "sixty-one million, four hundred forty-one thousand, five hundred forty-four".