51374592 has 60 divisors (see below), whose sum is σ = 148283850. Its totient is φ = 17123328.

The previous prime is 51374591. The next prime is 51374597. The reversal of 51374592 is 29547315.

It can be written as a sum of positive squares in only one way, i.e., 47114496 + 4260096 = 6864^2 + 2064^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51374591) 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 5 ways as a sum of consecutive naturals, for example, 967 + ... + 10182.

Almost surely, 2^51374592 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 51374592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74141925).

51374592 is an abundant number, since it is smaller than the sum of its proper divisors (96909258).

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

51374592 is a wasteful number, since it uses less digits than its factorization.

51374592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173 (or 11154 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 51374592 is about 7167.6071320909. The cubic root of 51374592 is about 371.7487029817.

The spelling of 51374592 in words is "fifty-one million, three hundred seventy-four thousand, five hundred ninety-two".