55072611 has 12 divisors (see below), whose sum is σ = 86781240. Its totient is φ = 33377280.

The previous prime is 55072607. The next prime is 55072643. The reversal of 55072611 is 11627055.

55072611 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 55072611 - 2² = 55072607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55072601) 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 11 ways as a sum of consecutive naturals, for example, 278046 + ... + 278243.

It is an arithmetic number, because the mean of its divisors is an integer number (7231770).

Almost surely, 2^55072611 is an apocalyptic number.

55072611 is a deficient number, since it is larger than the sum of its proper divisors (31708629).

55072611 is a wasteful number, since it uses less digits than its factorization.

55072611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556306 (or 556303 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 55072611 is about 7421.0923050451. The cubic root of 55072611 is about 380.4625277439.

Adding to 55072611 its reverse (11627055), we get a palindrome (66699666).

It can be divided in two parts, 5507 and 2611, that added together give a palindrome (8118).

The spelling of 55072611 in words is "fifty-five million, seventy-two thousand, six hundred eleven".