55611967 has 4 divisors (see below), whose sum is σ = 55687960. Its totient is φ = 55535976.

The previous prime is 55611929. The next prime is 55612001. The reversal of 55611967 is 76911655.

55611967 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 is a cyclic number.

It is not a de Polignac number, because 55611967 - 2⁷ = 55611839 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 (55611467) 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 3 ways as a sum of consecutive naturals, for example, 36888 + ... + 38365.

It is an arithmetic number, because the mean of its divisors is an integer number (13921990).

Almost surely, 2^55611967 is an apocalyptic number.

55611967 is a deficient number, since it is larger than the sum of its proper divisors (75993).

55611967 is an equidigital number, since it uses as much as digits as its factorization.

55611967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75992.

The product of its digits is 56700, while the sum is 40.

The square root of 55611967 is about 7457.3431595978. The cubic root of 55611967 is about 381.7005204637.

The spelling of 55611967 in words is "fifty-five million, six hundred eleven thousand, nine hundred sixty-seven".