43506272053 has 2 divisors, whose sum is σ = 43506272054. Its totient is φ = 43506272052.

The previous prime is 43506272003. The next prime is 43506272101. The reversal of 43506272053 is 35027260534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32006283409 + 11499988644 = 178903^2 + 107238^2 .

It is a cyclic number.

It is not a de Polignac number, because 43506272053 - 2⁹ = 43506271541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43506272003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21753136026 + 21753136027.

It is an arithmetic number, because the mean of its divisors is an integer number (21753136027).

Almost surely, 2^43506272053 is an apocalyptic number.

It is an amenable number.

43506272053 is a deficient number, since it is larger than the sum of its proper divisors (1).

43506272053 is an equidigital number, since it uses as much as digits as its factorization.

43506272053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 43506272053 in words is "forty-three billion, five hundred six million, two hundred seventy-two thousand, fifty-three".