43550015153 has 2 divisors, whose sum is σ = 43550015154. Its totient is φ = 43550015152.

The previous prime is 43550015101. The next prime is 43550015161. The reversal of 43550015153 is 35151005534.

43550015153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40760379664 + 2789635489 = 201892^2 + 52817^2 .

It is a cyclic number.

It is not a de Polignac number, because 43550015153 - 2¹⁶ = 43549949617 is a prime.

It is a super-2 number, since 2×43550015153² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43550015753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21775007576 + 21775007577.

It is an arithmetic number, because the mean of its divisors is an integer number (21775007577).

Almost surely, 2^43550015153 is an apocalyptic number.

It is an amenable number.

43550015153 is a deficient number, since it is larger than the sum of its proper divisors (1).

43550015153 is an equidigital number, since it uses as much as digits as its factorization.

43550015153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 43550015153 in words is "forty-three billion, five hundred fifty million, fifteen thousand, one hundred fifty-three".