61055315 has 4 divisors (see below), whose sum is σ = 73266384. Its totient is φ = 48844248.

The previous prime is 61055297. The next prime is 61055321. The reversal of 61055315 is 51355016.

61055315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61055315 - 2¹² = 61051219 is a prime.

It is a Duffinian 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, 6105527 + ... + 6105536.

It is an arithmetic number, because the mean of its divisors is an integer number (18316596).

Almost surely, 2^61055315 is an apocalyptic number.

61055315 is a deficient number, since it is larger than the sum of its proper divisors (12211069).

61055315 is a wasteful number, since it uses less digits than its factorization.

61055315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211068.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 61055315 is about 7813.7900534888. The cubic root of 61055315 is about 393.7686699806.

The spelling of 61055315 in words is "sixty-one million, fifty-five thousand, three hundred fifteen".