51966052 has 6 divisors (see below), whose sum is σ = 90940598. Its totient is φ = 25983024.

The previous prime is 51966043. The next prime is 51966053. The reversal of 51966052 is 25066915.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48776256 + 3189796 = 6984^2 + 1786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51965999 and 51966017.

It is not an unprimeable number, because it can be changed into a prime (51966053) by changing a digit.

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 as a sum of consecutive naturals, namely, 6495753 + ... + 6495760.

Almost surely, 2^51966052 is an apocalyptic number.

It is an amenable number.

51966052 is a deficient number, since it is larger than the sum of its proper divisors (38974546).

51966052 is a wasteful number, since it uses less digits than its factorization.

51966052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12991517 (or 12991515 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 51966052 is about 7208.7482963411. The cubic root of 51966052 is about 373.1698728144.

The spelling of 51966052 in words is "fifty-one million, nine hundred sixty-six thousand, fifty-two".