43550001135450 has 36 divisors (see below), whose sum is σ = 117004336385118. Its totient is φ = 11613333636000.

The previous prime is 43550001135439. The next prime is 43550001135457. The reversal of 43550001135450 is 5453110005534.

43550001135450 is a `hidden beast` number, since 4 + 3 + 550 + 0 + 0 + 1 + 1 + 3 + 54 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 42368734302129 + 1181266833321 = 6509127^2 + 1086861^2 .

It is not an unprimeable number, because it can be changed into a prime (43550001135457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48388889701 + ... + 48388890600.

Almost surely, 2^{43550001135450} is an apocalyptic number.

43550001135450 is an abundant number, since it is smaller than the sum of its proper divisors (73454335249668).

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

43550001135450 is a wasteful number, since it uses less digits than its factorization.

43550001135450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96777780319 (or 96777780311 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 43550001135450 in words is "forty-three trillion, five hundred fifty billion, one million, one hundred thirty-five thousand, four hundred fifty".