53075320173 has 16 divisors (see below), whose sum is σ = 78634117440. Its totient is φ = 35381740752.

The previous prime is 53075320159. The next prime is 53075320211. The reversal of 53075320173 is 37102357035.

53075320173 is a `hidden beast` number, since 53 + 0 + 7 + 532 + 0 + 1 + 73 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-53075320173 is a prime.

It is a super-2 number, since 2×53075320173² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53075120173) 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 15 ways as a sum of consecutive naturals, for example, 683890 + ... + 757532.

It is an arithmetic number, because the mean of its divisors is an integer number (4914632340).

Almost surely, 2^53075320173 is an apocalyptic number.

It is an amenable number.

53075320173 is a deficient number, since it is larger than the sum of its proper divisors (25558797267).

53075320173 is a wasteful number, since it uses less digits than its factorization.

53075320173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100345 (or 100339 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

It can be divided in two parts, 53075 and 320173, that added together give a cube (373248 = 72³).

The spelling of 53075320173 in words is "fifty-three billion, seventy-five million, three hundred twenty thousand, one hundred seventy-three".