36551844 has 72 divisors (see below), whose sum is σ = 110251680. Its totient is φ = 10441872.

The previous prime is 36551843. The next prime is 36551863. The reversal of 36551844 is 44815563.

It is a happy number.

36551844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 36551799 and 36551808.

It is not an unprimeable number, because it can be changed into a prime (36551843) 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 23 ways as a sum of consecutive naturals, for example, 1839 + ... + 8745.

Almost surely, 2^36551844 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 36551844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55125840).

36551844 is an abundant number, since it is smaller than the sum of its proper divisors (73699836).

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

36551844 is a wasteful number, since it uses less digits than its factorization.

36551844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934 (or 6919 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 36551844 is about 6045.8121042586. The cubic root of 36551844 is about 331.8713514234.

The spelling of 36551844 in words is "thirty-six million, five hundred fifty-one thousand, eight hundred forty-four".