51612052 has 6 divisors (see below), whose sum is σ = 90321098. Its totient is φ = 25806024.

The previous prime is 51612049. The next prime is 51612053. The reversal of 51612052 is 25021615.

It can be written as a sum of positive squares in only one way, i.e., 46294416 + 5317636 = 6804^2 + 2306^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51612053) 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, 6451503 + ... + 6451510.

Almost surely, 2^51612052 is an apocalyptic number.

It is an amenable number.

51612052 is a deficient number, since it is larger than the sum of its proper divisors (38709046).

51612052 is a wasteful number, since it uses less digits than its factorization.

51612052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12903017 (or 12903015 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 51612052 is about 7184.1528380179. The cubic root of 51612052 is about 372.3205796294.

Adding to 51612052 its reverse (25021615), we get a palindrome (76633667).

The spelling of 51612052 in words is "fifty-one million, six hundred twelve thousand, fifty-two".