51272710 has 16 divisors (see below), whose sum is σ = 92408976. Its totient is φ = 20482848.

The previous prime is 51272687. The next prime is 51272743. The reversal of 51272710 is 1727215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 6244 + ... + 11896.

It is an arithmetic number, because the mean of its divisors is an integer number (5775561).

Almost surely, 2^51272710 is an apocalyptic number.

51272710 is a deficient number, since it is larger than the sum of its proper divisors (41136266).

51272710 is a wasteful number, since it uses less digits than its factorization.

51272710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 51272710 is about 7160.4964911660. The cubic root of 51272710 is about 371.5027995492.

Adding to 51272710 its reverse (1727215), we get a palindrome (52999925).

The spelling of 51272710 in words is "fifty-one million, two hundred seventy-two thousand, seven hundred ten".