51310052 has 6 divisors (see below), whose sum is σ = 89792598. Its totient is φ = 25655024.

The previous prime is 51310027. The next prime is 51310057. The reversal of 51310052 is 25001315.

It can be written as a sum of positive squares in only one way, i.e., 35117476 + 16192576 = 5926^2 + 4024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51310052.

It is not an unprimeable number, because it can be changed into a prime (51310057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6413753 + ... + 6413760.

It is an arithmetic number, because the mean of its divisors is an integer number (14965433).

Almost surely, 2^51310052 is an apocalyptic number.

It is an amenable number.

51310052 is a deficient number, since it is larger than the sum of its proper divisors (38482546).

51310052 is a wasteful number, since it uses less digits than its factorization.

51310052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12827517 (or 12827515 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 51310052 is about 7163.1035173310. The cubic root of 51310052 is about 371.5929663656.

Adding to 51310052 its reverse (25001315), we get a palindrome (76311367).

The spelling of 51310052 in words is "fifty-one million, three hundred ten thousand, fifty-two".