61955266 has 4 divisors (see below), whose sum is σ = 92932902. Its totient is φ = 30977632.

The previous prime is 61955249. The next prime is 61955323. The reversal of 61955266 is 66255916.

61955266 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 can be written as a sum of positive squares in only one way, i.e., 50197225 + 11758041 = 7085^2 + 3429^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 15488815 + ... + 15488818.

Almost surely, 2^61955266 is an apocalyptic number.

61955266 is a deficient number, since it is larger than the sum of its proper divisors (30977636).

61955266 is a wasteful number, since it uses less digits than its factorization.

61955266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30977635.

The product of its digits is 97200, while the sum is 40.

The square root of 61955266 is about 7871.1667495995. The cubic root of 61955266 is about 395.6939486442.

The spelling of 61955266 in words is "sixty-one million, nine hundred fifty-five thousand, two hundred sixty-six".