53591673 has 4 divisors (see below), whose sum is σ = 71455568. Its totient is φ = 35727780.

The previous prime is 53591669. The next prime is 53591693. The reversal of 53591673 is 37619535.

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 53591673 - 2² = 53591669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53591693) 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, 8931943 + ... + 8931948.

It is an arithmetic number, because the mean of its divisors is an integer number (17863892).

Almost surely, 2^53591673 is an apocalyptic number.

It is an amenable number.

53591673 is a deficient number, since it is larger than the sum of its proper divisors (17863895).

53591673 is a wasteful number, since it uses less digits than its factorization.

53591673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17863894.

The product of its digits is 85050, while the sum is 39.

The square root of 53591673 is about 7320.6333742375. The cubic root of 53591673 is about 377.0212002047.

The spelling of 53591673 in words is "fifty-three million, five hundred ninety-one thousand, six hundred seventy-three".