55611747 has 6 divisors (see below), whose sum is σ = 80328092. Its totient is φ = 37074492.

The previous prime is 55611719. The next prime is 55611757. The reversal of 55611747 is 74711655.

It is not a de Polignac number, because 55611747 - 2⁶ = 55611683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55611757) 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 5 ways as a sum of consecutive naturals, for example, 3089533 + ... + 3089550.

Almost surely, 2^55611747 is an apocalyptic number.

55611747 is a deficient number, since it is larger than the sum of its proper divisors (24716345).

55611747 is a wasteful number, since it uses less digits than its factorization.

55611747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179089 (or 6179086 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 55611747 is about 7457.3284090216. The cubic root of 55611747 is about 381.7000171294.

The spelling of 55611747 in words is "fifty-five million, six hundred eleven thousand, seven hundred forty-seven".