51353603 has 8 divisors (see below), whose sum is σ = 58735872. Its totient is φ = 43982856.

The previous prime is 51353591. The next prime is 51353611. The reversal of 51353603 is 30635315.

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

It is a cyclic number.

It is not a de Polignac number, because 51353603 - 2⁶ = 51353539 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (51353303) 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 7 ways as a sum of consecutive naturals, for example, 11426 + ... + 15272.

It is an arithmetic number, because the mean of its divisors is an integer number (7341984).

Almost surely, 2^51353603 is an apocalyptic number.

51353603 is a deficient number, since it is larger than the sum of its proper divisors (7382269).

51353603 is a wasteful number, since it uses less digits than its factorization.

51353603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 51353603 is about 7166.1428258164. The cubic root of 51353603 is about 371.6980703243.

Adding to 51353603 its reverse (30635315), we get a palindrome (81988918).

The spelling of 51353603 in words is "fifty-one million, three hundred fifty-three thousand, six hundred three".