55689633 has 16 divisors (see below), whose sum is σ = 82751040. Its totient is φ = 37014912.

The previous prime is 55689619. The next prime is 55689643. The reversal of 55689633 is 33698655.

55689633 is a `hidden beast` number, since 5 + 5 + 6 + 8 + 9 + 633 = 666.

It is not a de Polignac number, because 55689633 - 2⁴ = 55689617 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55689643) 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, 6610 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (5171940).

Almost surely, 2^55689633 is an apocalyptic number.

It is an amenable number.

55689633 is a deficient number, since it is larger than the sum of its proper divisors (27061407).

55689633 is a wasteful number, since it uses less digits than its factorization.

55689633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205 (or 6199 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 55689633 is about 7462.5486933085. The cubic root of 55689633 is about 381.8781282965.

The spelling of 55689633 in words is "fifty-five million, six hundred eighty-nine thousand, six hundred thirty-three".