61089944 has 32 divisors (see below), whose sum is σ = 116499600. Its totient is φ = 30028800.

The previous prime is 61089937. The next prime is 61089961. The reversal of 61089944 is 44998016.

It is a plaindrome in base 15.

It is a congruent 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, 152144 + ... + 152544.

Almost surely, 2^61089944 is an apocalyptic number.

It is an amenable number.

61089944 is a deficient number, since it is larger than the sum of its proper divisors (55409656).

61089944 is a wasteful number, since it uses less digits than its factorization.

61089944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 61089944 is about 7816.0056294760. The cubic root of 61089944 is about 393.8431010553.

The spelling of 61089944 in words is "sixty-one million, eighty-nine thousand, nine hundred forty-four".