51454452 has 24 divisors (see below), whose sum is σ = 137212096. Its totient is φ = 14701248.

The previous prime is 51454433. The next prime is 51454453. The reversal of 51454452 is 25445415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51454453) 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 in 7 ways as a sum of consecutive naturals, for example, 306193 + ... + 306360.

Almost surely, 2^51454452 is an apocalyptic number.

It is an amenable number.

51454452 is an abundant number, since it is smaller than the sum of its proper divisors (85757644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51454452 is a wasteful number, since it uses less digits than its factorization.

51454452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612567 (or 612565 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 51454452 is about 7173.1758656818. The cubic root of 51454452 is about 371.9412266958.

Adding to 51454452 its reverse (25445415), we get a palindrome (76899867).

The spelling of 51454452 in words is "fifty-one million, four hundred fifty-four thousand, four hundred fifty-two".