36989550 has 72 divisors (see below), whose sum is σ = 107040024. Its totient is φ = 9103680.

The previous prime is 36989521. The next prime is 36989573. The reversal of 36989550 is 5598963.

36989550 is a `hidden beast` number, since 3 + 6 + 98 + 9 + 550 = 666.

36989550 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 (45).

It is a junction number, because it is equal to n+sod(n) for n = 36989496 and 36989505.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 2689 + ... + 9011.

It is an arithmetic number, because the mean of its divisors is an integer number (1486667).

Almost surely, 2^36989550 is an apocalyptic number.

36989550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 36989550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53520012).

36989550 is an abundant number, since it is smaller than the sum of its proper divisors (70050474).

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

36989550 is a wasteful number, since it uses less digits than its factorization.

36989550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354 (or 6346 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 36989550 is about 6081.9034849297. The cubic root of 36989550 is about 333.1908112933.

The spelling of 36989550 in words is "thirty-six million, nine hundred eighty-nine thousand, five hundred fifty".