51651052 has 12 divisors (see below), whose sum is σ = 90462456. Its totient is φ = 25804640.

The previous prime is 51651023. The next prime is 51651109. The reversal of 51651052 is 25015615.

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 3 ways as a sum of consecutive naturals, for example, 1227 + ... + 10237.

It is an arithmetic number, because the mean of its divisors is an integer number (7538538).

Almost surely, 2^51651052 is an apocalyptic number.

It is an amenable number.

51651052 is a deficient number, since it is larger than the sum of its proper divisors (38811404).

51651052 is a wasteful number, since it uses less digits than its factorization.

51651052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10448 (or 10446 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 51651052 is about 7186.8666329632. The cubic root of 51651052 is about 372.4143358107.

Adding to 51651052 its reverse (25015615), we get a palindrome (76666667).

The spelling of 51651052 in words is "fifty-one million, six hundred fifty-one thousand, fifty-two".