55671936 has 64 divisors (see below), whose sum is σ = 149303520. Its totient is φ = 18378752.

The previous prime is 55671911. The next prime is 55671947. The reversal of 55671936 is 63917655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42751 + ... + 44033.

Almost surely, 2^55671936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55671936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74651760).

55671936 is an abundant number, since it is smaller than the sum of its proper divisors (93631584).

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

55671936 is a wasteful number, since it uses less digits than its factorization.

55671936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1401 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 55671936 is about 7461.3628781879. The cubic root of 55671936 is about 381.8376730516.

It can be divided in two parts, 5567 and 1936, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 55671936 in words is "fifty-five million, six hundred seventy-one thousand, nine hundred thirty-six".