36550221354 has 64 divisors (see below), whose sum is σ = 83559340800. Its totient is φ = 11837382336.

The previous prime is 36550221347. The next prime is 36550221373. The reversal of 36550221354 is 45312205563.

36550221354 is a `hidden beast` number, since 36 + 5 + 50 + 221 + 354 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232792 + ... + 356780.

It is an arithmetic number, because the mean of its divisors is an integer number (1305614700).

Almost surely, 2^36550221354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36550221354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41779670400).

36550221354 is an abundant number, since it is smaller than the sum of its proper divisors (47009119446).

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

36550221354 is a wasteful number, since it uses less digits than its factorization.

36550221354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124156 (or 124150 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 36550221354 in words is "thirty-six billion, five hundred fifty million, two hundred twenty-one thousand, three hundred fifty-four".