51438162 has 8 divisors (see below), whose sum is σ = 102876336. Its totient is φ = 17146052.

The previous prime is 51438161. The next prime is 51438181. The reversal of 51438162 is 26183415.

It is a sphenic number, since it is the product of 3 distinct primes.

51438162 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51438161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4286508 + ... + 4286519.

It is an arithmetic number, because the mean of its divisors is an integer number (12859542).

Almost surely, 2^51438162 is an apocalyptic number.

51438162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51438162 is a wasteful number, since it uses less digits than its factorization.

51438162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8573032.

The product of its digits is 5760, while the sum is 30.

The square root of 51438162 is about 7172.0402954808. The cubic root of 51438162 is about 371.9019715108.

The spelling of 51438162 in words is "fifty-one million, four hundred thirty-eight thousand, one hundred sixty-two".