51006652 has 6 divisors (see below), whose sum is σ = 89261648. Its totient is φ = 25503324.

The previous prime is 51006623. The next prime is 51006653. The reversal of 51006652 is 25660015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51006653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375828 + ... + 6375835.

Almost surely, 2^51006652 is an apocalyptic number.

It is an amenable number.

51006652 is a deficient number, since it is larger than the sum of its proper divisors (38254996).

51006652 is a wasteful number, since it uses less digits than its factorization.

51006652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751667 (or 12751665 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 51006652 is about 7141.8941465132. The cubic root of 51006652 is about 370.8590994118.

Adding to 51006652 its reverse (25660015), we get a palindrome (76666667).

The spelling of 51006652 in words is "fifty-one million, six thousand, six hundred fifty-two".