61055755 has 8 divisors (see below), whose sum is σ = 77576832. Its totient is φ = 45971328.

The previous prime is 61055749. The next prime is 61055801. The reversal of 61055755 is 55755016.

61055755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 61055755 - 2⁵ = 61055723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61055755.

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 7 ways as a sum of consecutive naturals, for example, 359067 + ... + 359236.

It is an arithmetic number, because the mean of its divisors is an integer number (9697104).

Almost surely, 2^61055755 is an apocalyptic number.

61055755 is a deficient number, since it is larger than the sum of its proper divisors (16521077).

61055755 is a wasteful number, since it uses less digits than its factorization.

61055755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718325.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 61055755 is about 7813.8182087888. The cubic root of 61055755 is about 393.7696158868.

It can be divided in two parts, 610 and 55755, that added together give a palindrome (56365).

The spelling of 61055755 in words is "sixty-one million, fifty-five thousand, seven hundred fifty-five".