61655027 has 4 divisors (see below), whose sum is σ = 70462896. Its totient is φ = 52847160.

The previous prime is 61655003. The next prime is 61655047. The reversal of 61655027 is 72055616.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61655027 - 2⁶ = 61654963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61654984 and 61655002.

It is not an unprimeable number, because it can be changed into a prime (61655047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4403924 + ... + 4403937.

It is an arithmetic number, because the mean of its divisors is an integer number (17615724).

Almost surely, 2^61655027 is an apocalyptic number.

61655027 is a deficient number, since it is larger than the sum of its proper divisors (8807869).

61655027 is an equidigital number, since it uses as much as digits as its factorization.

61655027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807868.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 61655027 is about 7852.0715101176. The cubic root of 61655027 is about 395.0537276700.

The spelling of 61655027 in words is "sixty-one million, six hundred fifty-five thousand, twenty-seven".