36099855 has 48 divisors (see below), whose sum is σ = 68773536. Its totient is φ = 17372160.

The previous prime is 36099821. The next prime is 36099859. The reversal of 36099855 is 55899063.

36099855 = 2685² + 2686² + ... + 2689².

It is not a de Polignac number, because 36099855 - 2⁸ = 36099599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 36099855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36099859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115179 + ... + 115491.

It is an arithmetic number, because the mean of its divisors is an integer number (1432782).

Almost surely, 2^36099855 is an apocalyptic number.

36099855 is a deficient number, since it is larger than the sum of its proper divisors (32673681).

36099855 is a wasteful number, since it uses less digits than its factorization.

36099855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 565 counting only the distinct ones).

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

The square root of 36099855 is about 6008.3154877220. The cubic root of 36099855 is about 330.4977337472.

The spelling of 36099855 in words is "thirty-six million, ninety-nine thousand, eight hundred fifty-five".