53020788866 has 8 divisors (see below), whose sum is σ = 79534764540. Its totient is φ = 26509200688.

The previous prime is 53020788857. The next prime is 53020788871. The reversal of 53020788866 is 66888702035.

It can be written as a sum of positive squares in 2 ways, for example, as 51259224025 + 1761564841 = 226405^2 + 41971^2 .

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

It is a super-2 number, since 2×53020788866² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540281 + ... + 630828.

Almost surely, 2^53020788866 is an apocalyptic number.

53020788866 is a deficient number, since it is larger than the sum of its proper divisors (26513975674).

53020788866 is a wasteful number, since it uses less digits than its factorization.

53020788866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193748.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 53020788866 in words is "fifty-three billion, twenty million, seven hundred eighty-eight thousand, eight hundred sixty-six".