44557391453 has 6 divisors (see below), whose sum is σ = 44587300254. Its totient is φ = 44527493816.

The previous prime is 44557391443. The next prime is 44557391477. The reversal of 44557391453 is 35419375544.

It can be written as a sum of positive squares in only one way, i.e., 42147268804 + 2410122649 = 205298^2 + 49093^2 .

It is not a de Polignac number, because 44557391453 - 2²⁶ = 44490282589 is a prime.

It is a super-2 number, since 2×44557391453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44557391413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9981500 + ... + 9985962.

It is an arithmetic number, because the mean of its divisors is an integer number (7431216709).

Almost surely, 2^44557391453 is an apocalyptic number.

It is an amenable number.

44557391453 is a deficient number, since it is larger than the sum of its proper divisors (29908801).

44557391453 is an frugal number, since it uses more digits than its factorization.

44557391453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163 (or 6700 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 50.

The spelling of 44557391453 in words is "forty-four billion, five hundred fifty-seven million, three hundred ninety-one thousand, four hundred fifty-three".