44136997553 has 8 divisors (see below), whose sum is σ = 48155358816. Its totient is φ = 40119620800.

The previous prime is 44136997537. The next prime is 44136997571. The reversal of 44136997553 is 35579963144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44136997553 - 2⁴ = 44136997537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44136997253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150776 + ... + 333177.

It is an arithmetic number, because the mean of its divisors is an integer number (6019419852).

Almost surely, 2^44136997553 is an apocalyptic number.

It is an amenable number.

44136997553 is a deficient number, since it is larger than the sum of its proper divisors (4018361263).

44136997553 is a wasteful number, since it uses less digits than its factorization.

44136997553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492255.

The product of its digits is 12247200, while the sum is 56.

The spelling of 44136997553 in words is "forty-four billion, one hundred thirty-six million, nine hundred ninety-seven thousand, five hundred fifty-three".