56053981263309 has 8 divisors (see below), whose sum is σ = 74741646110880. Its totient is φ = 37367818628976.

The previous prime is 56053981263257. The next prime is 56053981263317. The reversal of 56053981263309 is 90336218935065.

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

It is not a de Polignac number, because 56053981263309 - 2¹¹ = 56053981261261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56053983263309) 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, 375466239 + ... + 375615500.

It is an arithmetic number, because the mean of its divisors is an integer number (9342705763860).

Almost surely, 2^{56053981263309} is an apocalyptic number.

It is an amenable number.

56053981263309 is a deficient number, since it is larger than the sum of its proper divisors (18687664847571).

56053981263309 is a wasteful number, since it uses less digits than its factorization.

56053981263309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751106619.

The product of its (nonzero) digits is 31492800, while the sum is 60.

The spelling of 56053981263309 in words is "fifty-six trillion, fifty-three billion, nine hundred eighty-one million, two hundred sixty-three thousand, three hundred nine".