61544042 has 8 divisors (see below), whose sum is σ = 105504096. Its totient is φ = 26376012.

The previous prime is 61544027. The next prime is 61544053. The reversal of 61544042 is 24044516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197988 + ... + 2198015.

It is an arithmetic number, because the mean of its divisors is an integer number (13188012).

Almost surely, 2^61544042 is an apocalyptic number.

61544042 is a deficient number, since it is larger than the sum of its proper divisors (43960054).

61544042 is a wasteful number, since it uses less digits than its factorization.

61544042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396012.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 61544042 is about 7845.0010834926. The cubic root of 61544042 is about 394.8165403452.

Adding to 61544042 its reverse (24044516), we get a palindrome (85588558).

The spelling of 61544042 in words is "sixty-one million, five hundred forty-four thousand, forty-two".