61055506 has 8 divisors (see below), whose sum is σ = 92113164. Its totient is φ = 30351120.

The previous prime is 61055503. The next prime is 61055507. The reversal of 61055506 is 60555016.

It can be written as a sum of positive squares in 2 ways, for example, as 43758225 + 17297281 = 6615^2 + 4159^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61055503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87885 + ... + 88576.

Almost surely, 2^61055506 is an apocalyptic number.

61055506 is a deficient number, since it is larger than the sum of its proper divisors (31057658).

61055506 is a wasteful number, since it uses less digits than its factorization.

61055506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176636.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 61055506 is about 7813.8022754610. The cubic root of 61055506 is about 393.7690805904.

It can be divided in two parts, 6105 and 5506, that added together give a palindrome (11611).

The spelling of 61055506 in words is "sixty-one million, fifty-five thousand, five hundred six".