61105055 has 16 divisors (see below), whose sum is σ = 84698784. Its totient is φ = 41825280.

The previous prime is 61105027. The next prime is 61105069. The reversal of 61105055 is 55050116.

It is not a de Polignac number, because 61105055 - 2⁶ = 61104991 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 61105055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31742 + ... + 33611.

It is an arithmetic number, because the mean of its divisors is an integer number (5293674).

Almost surely, 2^61105055 is an apocalyptic number.

61105055 is a deficient number, since it is larger than the sum of its proper divisors (23593729).

61105055 is a wasteful number, since it uses less digits than its factorization.

61105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65386.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 61105055 is about 7816.9722399405. The cubic root of 61105055 is about 393.8755716065.

The spelling of 61105055 in words is "sixty-one million, one hundred five thousand, fifty-five".