51452452 has 6 divisors (see below), whose sum is σ = 90041798. Its totient is φ = 25726224.

The previous prime is 51452441. The next prime is 51452483. The reversal of 51452452 is 25425415.

It can be written as a sum of positive squares in only one way, i.e., 49646116 + 1806336 = 7046^2 + 1344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51452452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431553 + ... + 6431560.

Almost surely, 2^51452452 is an apocalyptic number.

It is an amenable number.

51452452 is a deficient number, since it is larger than the sum of its proper divisors (38589346).

51452452 is a wasteful number, since it uses less digits than its factorization.

51452452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12863117 (or 12863115 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 51452452 is about 7173.0364560624. The cubic root of 51452452 is about 371.9364075981.

Adding to 51452452 its reverse (25425415), we get a palindrome (76877867).

The spelling of 51452452 in words is "fifty-one million, four hundred fifty-two thousand, four hundred fifty-two".