51435204 has 48 divisors (see below), whose sum is σ = 126866880. Its totient is φ = 16174080.

The previous prime is 51435203. The next prime is 51435211. The reversal of 51435204 is 40253415.

It is not an unprimeable number, because it can be changed into a prime (51435203) 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 15 ways as a sum of consecutive naturals, for example, 98464 + ... + 98984.

It is an arithmetic number, because the mean of its divisors is an integer number (2643060).

Almost surely, 2^51435204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51435204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63433440).

51435204 is an abundant number, since it is smaller than the sum of its proper divisors (75431676).

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

51435204 is a wasteful number, since it uses less digits than its factorization.

51435204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 51435204 is about 7171.8340750466. The cubic root of 51435204 is about 371.8948425163.

Adding to 51435204 its reverse (40253415), we get a palindrome (91688619).

The spelling of 51435204 in words is "fifty-one million, four hundred thirty-five thousand, two hundred four".