51327603 has 12 divisors (see below), whose sum is σ = 74209408. Its totient is φ = 34186320.

The previous prime is 51327589. The next prime is 51327611. The reversal of 51327603 is 30672315.

It is a happy number.

51327603 is a `hidden beast` number, since 51 + 3 + 2 + 7 + 603 = 666.

It is not a de Polignac number, because 51327603 - 2⁴ = 51327587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51327623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11301 + ... + 15177.

Almost surely, 2^51327603 is an apocalyptic number.

51327603 is a deficient number, since it is larger than the sum of its proper divisors (22881805).

51327603 is a wasteful number, since it uses less digits than its factorization.

51327603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354 (or 5351 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 51327603 is about 7164.3285100559. The cubic root of 51327603 is about 371.6353302847.

Adding to 51327603 its reverse (30672315), we get a palindrome (81999918).

The spelling of 51327603 in words is "fifty-one million, three hundred twenty-seven thousand, six hundred three".