51694593 has 8 divisors (see below), whose sum is σ = 71923008. Its totient is φ = 32964624.

The previous prime is 51694583. The next prime is 51694597. The reversal of 51694593 is 39549615.

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

It is not a de Polignac number, because 51694593 - 2¹⁰ = 51693569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51694597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374530 + ... + 374667.

It is an arithmetic number, because the mean of its divisors is an integer number (8990376).

Almost surely, 2^51694593 is an apocalyptic number.

It is an amenable number.

51694593 is a deficient number, since it is larger than the sum of its proper divisors (20228415).

51694593 is a wasteful number, since it uses less digits than its factorization.

51694593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749223.

The product of its digits is 145800, while the sum is 42.

The square root of 51694593 is about 7189.8952009052. The cubic root of 51694593 is about 372.5189528365.

The spelling of 51694593 in words is "fifty-one million, six hundred ninety-four thousand, five hundred ninety-three".