55836672 has 76 divisors (see below), whose sum is σ = 150994656. Its totient is φ = 18350080.

The previous prime is 55836659. The next prime is 55836689. The reversal of 55836672 is 27663855.

It is a nialpdrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786397 + ... + 786467.

Almost surely, 2^55836672 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 55836672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75497328).

55836672 is an abundant number, since it is smaller than the sum of its proper divisors (95157984).

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

55836672 is an frugal number, since it uses more digits than its factorization.

55836672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 76 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 55836672 is about 7472.3939938951. The cubic root of 55836672 is about 382.2139276689.

The spelling of 55836672 in words is "fifty-five million, eight hundred thirty-six thousand, six hundred seventy-two".