55689246 has 48 divisors (see below), whose sum is σ = 128853504. Its totient is φ = 17321472.

The previous prime is 55689241. The next prime is 55689259. The reversal of 55689246 is 64298655.

55689246 is a `hidden beast` number, since 556 + 8 + 92 + 4 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55689241) 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 23 ways as a sum of consecutive naturals, for example, 38146 + ... + 39578.

It is an arithmetic number, because the mean of its divisors is an integer number (2684448).

Almost surely, 2^55689246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55689246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64426752).

55689246 is an abundant number, since it is smaller than the sum of its proper divisors (73164258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55689246 is a wasteful number, since it uses less digits than its factorization.

55689246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1582 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 55689246 is about 7462.5227637844. The cubic root of 55689246 is about 381.8772437083.

The spelling of 55689246 in words is "fifty-five million, six hundred eighty-nine thousand, two hundred forty-six".