51202712 has 32 divisors (see below), whose sum is σ = 105019200. Its totient is φ = 23210400.

The previous prime is 51202703. The next prime is 51202751. The reversal of 51202712 is 21720215.

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, 49739 + ... + 50757.

It is an arithmetic number, because the mean of its divisors is an integer number (3281850).

Almost surely, 2^51202712 is an apocalyptic number.

It is an amenable number.

51202712 is an abundant number, since it is smaller than the sum of its proper divisors (53816488).

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

51202712 is a wasteful number, since it uses less digits than its factorization.

51202712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 51202712 is about 7155.6070322510. The cubic root of 51202712 is about 371.3336628175. Note that the first 3 decimals are identical.

Adding to 51202712 its reverse (21720215), we get a palindrome (72922927).

The spelling of 51202712 in words is "fifty-one million, two hundred two thousand, seven hundred twelve".