43254270553 has 4 divisors (see below), whose sum is σ = 46581522148. Its totient is φ = 39927018960.

The previous prime is 43254270529. The next prime is 43254270571. The reversal of 43254270553 is 35507245234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20121989904 + 23132280649 = 141852^2 + 152093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43254270553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43254273553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663625778 + ... + 1663625803.

It is an arithmetic number, because the mean of its divisors is an integer number (11645380537).

Almost surely, 2^43254270553 is an apocalyptic number.

It is an amenable number.

43254270553 is a deficient number, since it is larger than the sum of its proper divisors (3327251595).

43254270553 is a wasteful number, since it uses less digits than its factorization.

43254270553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327251594.

The product of its (nonzero) digits is 504000, while the sum is 40.

The spelling of 43254270553 in words is "forty-three billion, two hundred fifty-four million, two hundred seventy thousand, five hundred fifty-three".