55956236 has 36 divisors (see below), whose sum is σ = 115544016. Its totient is φ = 23637600.

The previous prime is 55956233. The next prime is 55956269. The reversal of 55956236 is 63265955.

55956236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55956236² = 6262200694575392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55956193 and 55956202.

It is not an unprimeable number, because it can be changed into a prime (55956233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11906 + ... + 15926.

It is an arithmetic number, because the mean of its divisors is an integer number (3209556).

Almost surely, 2^55956236 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 55956236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57772008).

55956236 is an abundant number, since it is smaller than the sum of its proper divisors (59587780).

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

55956236 is a wasteful number, since it uses less digits than its factorization.

55956236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110 (or 4101 counting only the distinct ones).

The product of its digits is 243000, while the sum is 41.

The square root of 55956236 is about 7480.3900967797. The cubic root of 55956236 is about 382.4865468662.

The spelling of 55956236 in words is "fifty-five million, nine hundred fifty-six thousand, two hundred thirty-six".