51332351 has 16 divisors (see below), whose sum is σ = 60456000. Its totient is φ = 43563744.

The previous prime is 51332339. The next prime is 51332353. The reversal of 51332351 is 15323315.

It is not a de Polignac number, because 51332351 - 2¹⁰ = 51331327 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 (51332353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36701 + ... + 38073.

It is an arithmetic number, because the mean of its divisors is an integer number (3778500).

Almost surely, 2^51332351 is an apocalyptic number.

51332351 is a deficient number, since it is larger than the sum of its proper divisors (9123649).

51332351 is a wasteful number, since it uses less digits than its factorization.

51332351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1489 counting only the distinct ones).

The product of its digits is 1350, while the sum is 23.

The square root of 51332351 is about 7164.6598663161. The cubic root of 51332351 is about 371.6467891622.

Adding to 51332351 its reverse (15323315), we get a palindrome (66655666).

The spelling of 51332351 in words is "fifty-one million, three hundred thirty-two thousand, three hundred fifty-one".