53300166655 has 4 divisors (see below), whose sum is σ = 63960199992. Its totient is φ = 42640133320.

The previous prime is 53300166641. The next prime is 53300166709. The reversal of 53300166655 is 55666100335.

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

It is not a de Polignac number, because 53300166655 - 2¹⁹ = 53299642367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330016661 + ... + 5330016670.

It is an arithmetic number, because the mean of its divisors is an integer number (15990049998).

Almost surely, 2^53300166655 is an apocalyptic number.

53300166655 is a deficient number, since it is larger than the sum of its proper divisors (10660033337).

53300166655 is a wasteful number, since it uses less digits than its factorization.

53300166655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10660033336.

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 53300166655 in words is "fifty-three billion, three hundred million, one hundred sixty-six thousand, six hundred fifty-five".