55611633 has 16 divisors (see below), whose sum is σ = 92445696. Its totient is φ = 28889040.

The previous prime is 55611623. The next prime is 55611637. The reversal of 55611633 is 33611655.

It is not a de Polignac number, because 55611633 - 2⁵ = 55611601 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55611633.

It is not an unprimeable number, because it can be changed into a prime (55611637) 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 15 ways as a sum of consecutive naturals, for example, 120141 + ... + 120602.

It is an arithmetic number, because the mean of its divisors is an integer number (5777856).

Almost surely, 2^55611633 is an apocalyptic number.

It is an amenable number.

55611633 is a deficient number, since it is larger than the sum of its proper divisors (36834063).

55611633 is a wasteful number, since it uses less digits than its factorization.

55611633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240764.

The product of its digits is 8100, while the sum is 30.

The square root of 55611633 is about 7457.3207655297. The cubic root of 55611633 is about 381.6997563102.

The spelling of 55611633 in words is "fifty-five million, six hundred eleven thousand, six hundred thirty-three".