51345162 has 48 divisors (see below), whose sum is σ = 122035680. Its totient is φ = 15472800.

The previous prime is 51345157. The next prime is 51345169. The reversal of 51345162 is 26154315.

It is not an unprimeable number, because it can be changed into a prime (51345169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41164 + ... + 42392.

It is an arithmetic number, because the mean of its divisors is an integer number (2542410).

Almost surely, 2^51345162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51345162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61017840).

51345162 is an abundant number, since it is smaller than the sum of its proper divisors (70690518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51345162 is a wasteful number, since it uses less digits than its factorization.

51345162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1456 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 51345162 is about 7165.5538515875. The cubic root of 51345162 is about 371.6777038511.

Adding to 51345162 its reverse (26154315), we get a palindrome (77499477).

It can be divided in two parts, 5134 and 5162, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 51345162 in words is "fifty-one million, three hundred forty-five thousand, one hundred sixty-two".