53617070221 has 8 divisors (see below), whose sum is σ = 62990684064. Its totient is φ = 44993345520.

The previous prime is 53617070209. The next prime is 53617070257. The reversal of 53617070221 is 12207071635.

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

It is a cyclic number.

It is not a de Polignac number, because 53617070221 - 2¹¹ = 53617068173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53617070201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187472131 + ... + 187472416.

It is an arithmetic number, because the mean of its divisors is an integer number (7873835508).

Almost surely, 2^53617070221 is an apocalyptic number.

It is an amenable number.

53617070221 is a deficient number, since it is larger than the sum of its proper divisors (9373613843).

53617070221 is a wasteful number, since it uses less digits than its factorization.

53617070221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374944571.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 53617070221 in words is "fifty-three billion, six hundred seventeen million, seventy thousand, two hundred twenty-one".