44545043551 has 4 divisors (see below), whose sum is σ = 44642516752. Its totient is φ = 44447570352.

The previous prime is 44545043549. The next prime is 44545043671. The reversal of 44545043551 is 15534054544.

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

It is a cyclic number.

It is not a de Polignac number, because 44545043551 - 2¹ = 44545043549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44545043531) 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, 48735915 + ... + 48736828.

It is an arithmetic number, because the mean of its divisors is an integer number (11160629188).

Almost surely, 2^44545043551 is an apocalyptic number.

44545043551 is a deficient number, since it is larger than the sum of its proper divisors (97473201).

44545043551 is an equidigital number, since it uses as much as digits as its factorization.

44545043551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97473200.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 44545043551 in words is "forty-four billion, five hundred forty-five million, forty-three thousand, five hundred fifty-one".