61109546 has 8 divisors (see below), whose sum is σ = 91718244. Its totient is φ = 30536800.

The previous prime is 61109539. The next prime is 61109563. The reversal of 61109546 is 64590116.

61109546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50965321 + 10144225 = 7139^2 + 3185^2 .

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

It is a super-2 number, since 2×61109546² = 7468753224652232, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4235 + ... + 11838.

Almost surely, 2^61109546 is an apocalyptic number.

61109546 is a deficient number, since it is larger than the sum of its proper divisors (30608698).

61109546 is a wasteful number, since it uses less digits than its factorization.

61109546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17976.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 61109546 is about 7817.2594942217. The cubic root of 61109546 is about 393.8852208456.

The spelling of 61109546 in words is "sixty-one million, one hundred nine thousand, five hundred forty-six".