53500100785 has 4 divisors (see below), whose sum is σ = 64200120948. Its totient is φ = 42800080624.

The previous prime is 53500100743. The next prime is 53500100803. The reversal of 53500100785 is 58700100535.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32025249936 + 21474850849 = 178956^2 + 146543^2 .

It is a cyclic number.

It is not a de Polignac number, because 53500100785 - 2⁷ = 53500100657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53500100785.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5350010074 + ... + 5350010083.

It is an arithmetic number, because the mean of its divisors is an integer number (16050030237).

Almost surely, 2^53500100785 is an apocalyptic number.

It is an amenable number.

53500100785 is a deficient number, since it is larger than the sum of its proper divisors (10700020163).

53500100785 is a wasteful number, since it uses less digits than its factorization.

53500100785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700020162.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 53500100785 in words is "fifty-three billion, five hundred million, one hundred thousand, seven hundred eighty-five".