53217073 has 16 divisors (see below), whose sum is σ = 66403456. Its totient is φ = 41523840.

The previous prime is 53217023. The next prime is 53217091. The reversal of 53217073 is 37071235.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53217073 is a prime.

53217073 is a modest number, since divided by 17073 gives 532 as remainder.

It is not an unprimeable number, because it can be changed into a prime (53217023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2638 + ... + 10648.

It is an arithmetic number, because the mean of its divisors is an integer number (4150216).

Almost surely, 2^53217073 is an apocalyptic number.

It is an amenable number.

53217073 is a deficient number, since it is larger than the sum of its proper divisors (13186383).

53217073 is a wasteful number, since it uses less digits than its factorization.

53217073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 53217073 is about 7295.0032899239. The cubic root of 53217073 is about 376.1406996635.

The spelling of 53217073 in words is "fifty-three million, two hundred seventeen thousand, seventy-three".