51348322 has 4 divisors (see below), whose sum is σ = 77022486. Its totient is φ = 25674160.

The previous prime is 51348301. The next prime is 51348329. The reversal of 51348322 is 22384315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22384315 = 5 ⋅4476863.

It can be written as a sum of positive squares in only one way, i.e., 41744521 + 9603801 = 6461^2 + 3099^2 .

It is not an unprimeable number, because it can be changed into a prime (51348329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12837079 + ... + 12837082.

Almost surely, 2^51348322 is an apocalyptic number.

51348322 is a deficient number, since it is larger than the sum of its proper divisors (25674164).

51348322 is a wasteful number, since it uses less digits than its factorization.

51348322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25674163.

The product of its digits is 5760, while the sum is 28.

The square root of 51348322 is about 7165.7743475496. The cubic root of 51348322 is about 371.6853285711.

It can be divided in two parts, 5134 and 8322, that added together give a square (13456 = 116²).

The spelling of 51348322 in words is "fifty-one million, three hundred forty-eight thousand, three hundred twenty-two".