51282438 has 16 divisors (see below), whose sum is σ = 108598320. Its totient is φ = 16088576.

The previous prime is 51282437. The next prime is 51282461. The reversal of 51282438 is 83428215.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51282399 and 51282408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51282437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251283 + ... + 251486.

It is an arithmetic number, because the mean of its divisors is an integer number (6787395).

Almost surely, 2^51282438 is an apocalyptic number.

51282438 is an abundant number, since it is smaller than the sum of its proper divisors (57315882).

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

51282438 is a wasteful number, since it uses less digits than its factorization.

51282438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502791.

The product of its digits is 15360, while the sum is 33.

The square root of 51282438 is about 7161.1757414548. The cubic root of 51282438 is about 371.5262932083.

The spelling of 51282438 in words is "fifty-one million, two hundred eighty-two thousand, four hundred thirty-eight".