53553203771 has 8 divisors (see below), whose sum is σ = 56445148080. Its totient is φ = 50730944992.

The previous prime is 53553203747. The next prime is 53553203777. The reversal of 53553203771 is 17730235535.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53553203771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53553203777) 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, 17419805 + ... + 17422878.

It is an arithmetic number, because the mean of its divisors is an integer number (7055643510).

Almost surely, 2^53553203771 is an apocalyptic number.

53553203771 is a deficient number, since it is larger than the sum of its proper divisors (2891944309).

53553203771 is a wasteful number, since it uses less digits than its factorization.

53553203771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34842765.

The product of its (nonzero) digits is 330750, while the sum is 41.

The spelling of 53553203771 in words is "fifty-three billion, five hundred fifty-three million, two hundred three thousand, seven hundred seventy-one".