51452203 has 4 divisors (see below), whose sum is σ = 56129688. Its totient is φ = 46774720.

The previous prime is 51452201. The next prime is 51452213. The reversal of 51452203 is 30225415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51452203 - 2¹ = 51452201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51452201) 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 3 ways as a sum of consecutive naturals, for example, 2338726 + ... + 2338747.

It is an arithmetic number, because the mean of its divisors is an integer number (14032422).

Almost surely, 2^51452203 is an apocalyptic number.

51452203 is a deficient number, since it is larger than the sum of its proper divisors (4677485).

51452203 is a wasteful number, since it uses less digits than its factorization.

51452203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677484.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 51452203 is about 7173.0190993751. The cubic root of 51452203 is about 371.9358076117.

Adding to 51452203 its reverse (30225415), we get a palindrome (81677618).

It can be divided in two parts, 51 and 452203, that added together give a palindrome (452254).

The spelling of 51452203 in words is "fifty-one million, four hundred fifty-two thousand, two hundred three".