61162255 has 16 divisors (see below), whose sum is σ = 91505664. Its totient is φ = 38126880.

The previous prime is 61162187. The next prime is 61162259. The reversal of 61162255 is 55226116.

61162255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61162255 - 2¹³ = 61154063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61162259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 79047 + ... + 79816.

It is an arithmetic number, because the mean of its divisors is an integer number (5719104).

Almost surely, 2^61162255 is an apocalyptic number.

61162255 is a deficient number, since it is larger than the sum of its proper divisors (30343409).

61162255 is a wasteful number, since it uses less digits than its factorization.

61162255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158886.

The product of its digits is 3600, while the sum is 28.

The square root of 61162255 is about 7820.6300897050. The cubic root of 61162255 is about 393.9984346352.

The spelling of 61162255 in words is "sixty-one million, one hundred sixty-two thousand, two hundred fifty-five".