36550813 has 12 divisors (see below), whose sum is σ = 41665440. Its totient is φ = 31960656.

The previous prime is 36550807. The next prime is 36550823. The reversal of 36550813 is 31805563.

It is not a de Polignac number, because 36550813 - 2¹³ = 36542621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36550823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2481 + ... + 8902.

It is an arithmetic number, because the mean of its divisors is an integer number (3472120).

Almost surely, 2^36550813 is an apocalyptic number.

It is an amenable number.

36550813 is a deficient number, since it is larger than the sum of its proper divisors (5114627).

36550813 is a wasteful number, since it uses less digits than its factorization.

36550813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11428 (or 11415 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 36550813 is about 6045.7268380237. The cubic root of 36550813 is about 331.8682310830.

The spelling of 36550813 in words is "thirty-six million, five hundred fifty thousand, eight hundred thirteen".