51345352 has 16 divisors (see below), whose sum is σ = 96350940. Its totient is φ = 25651776.

The previous prime is 51345337. The next prime is 51345367. The reversal of 51345352 is 25354315.

It is an interprime number because it is at equal distance from previous prime (51345337) and next prime (51345367).

It can be written as a sum of positive squares in 2 ways, for example, as 49196196 + 2149156 = 7014^2 + 1466^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51345352.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14158 + ... + 17410.

Almost surely, 2^51345352 is an apocalyptic number.

It is an amenable number.

51345352 is a deficient number, since it is larger than the sum of its proper divisors (45005588).

51345352 is a wasteful number, since it uses less digits than its factorization.

51345352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232 (or 5228 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 51345352 is about 7165.5671094478. The cubic root of 51345352 is about 371.6781623083.

Adding to 51345352 its reverse (25354315), we get a palindrome (76699667).

The spelling of 51345352 in words is "fifty-one million, three hundred forty-five thousand, three hundred fifty-two".