51422368 has 24 divisors (see below), whose sum is σ = 102629268. Its totient is φ = 25357824.

The previous prime is 51422363. The next prime is 51422369. The reversal of 51422368 is 86322415.

It can be written as a sum of positive squares in 2 ways, for example, as 50523664 + 898704 = 7108^2 + 948^2 .

It is not an unprimeable number, because it can be changed into a prime (51422363) 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, 8671 + ... + 13342.

Almost surely, 2^51422368 is an apocalyptic number.

It is an amenable number.

51422368 is a deficient number, since it is larger than the sum of its proper divisors (51206900).

51422368 is a wasteful number, since it uses less digits than its factorization.

51422368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22096 (or 22088 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 51422368 is about 7170.9391295701. The cubic root of 51422368 is about 371.8639036587.

The spelling of 51422368 in words is "fifty-one million, four hundred twenty-two thousand, three hundred sixty-eight".