51322395 has 16 divisors (see below), whose sum is σ = 82266912. Its totient is φ = 27321600.

The previous prime is 51322393. The next prime is 51322399. The reversal of 51322395 is 59322315.

It is not a de Polignac number, because 51322395 - 2¹ = 51322393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51322393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6169 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (5141682).

Almost surely, 2^51322395 is an apocalyptic number.

51322395 is a deficient number, since it is larger than the sum of its proper divisors (30944517).

51322395 is a wasteful number, since it uses less digits than its factorization.

51322395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302.

The product of its digits is 8100, while the sum is 30.

The square root of 51322395 is about 7163.9650334155. The cubic root of 51322395 is about 371.6227604252.

The spelling of 51322395 in words is "fifty-one million, three hundred twenty-two thousand, three hundred ninety-five".