53556164666061 has 8 divisors (see below), whose sum is σ = 71414024678304. Its totient is φ = 35701207215600.

The previous prime is 53556164666057. The next prime is 53556164666087. The reversal of 53556164666061 is 16066646165535.

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

It is not a de Polignac number, because 53556164666061 - 2² = 53556164666057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53556164665986 and 53556164666004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53556164666561) 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, 725597391 + ... + 725671196.

It is an arithmetic number, because the mean of its divisors is an integer number (8926753084788).

Almost surely, 2^{53556164666061} is an apocalyptic number.

It is an amenable number.

53556164666061 is a deficient number, since it is larger than the sum of its proper divisors (17857860012243).

53556164666061 is a wasteful number, since it uses less digits than its factorization.

53556164666061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451280891.

The product of its (nonzero) digits is 69984000, while the sum is 60.

The spelling of 53556164666061 in words is "fifty-three trillion, five hundred fifty-six billion, one hundred sixty-four million, six hundred sixty-six thousand, sixty-one".