53450517 has 4 divisors (see below), whose sum is σ = 71267360. Its totient is φ = 35633676.

The previous prime is 53450503. The next prime is 53450539. The reversal of 53450517 is 71505435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53450517 - 2¹¹ = 53448469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53450557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8908417 + ... + 8908422.

It is an arithmetic number, because the mean of its divisors is an integer number (17816840).

Almost surely, 2^53450517 is an apocalyptic number.

It is an amenable number.

53450517 is a deficient number, since it is larger than the sum of its proper divisors (17816843).

53450517 is a wasteful number, since it uses less digits than its factorization.

53450517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17816842.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 53450517 is about 7310.9860484069. The cubic root of 53450517 is about 376.6898950181.

The spelling of 53450517 in words is "fifty-three million, four hundred fifty thousand, five hundred seventeen".