51822152 has 8 divisors (see below), whose sum is σ = 97166550. Its totient is φ = 25911072.

The previous prime is 51822149. The next prime is 51822161. The reversal of 51822152 is 25122815.

51822152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51351556 + 470596 = 7166^2 + 686^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51822152² = 5371070875822208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3238877 + ... + 3238892.

Almost surely, 2^51822152 is an apocalyptic number.

It is an amenable number.

51822152 is a deficient number, since it is larger than the sum of its proper divisors (45344398).

51822152 is a wasteful number, since it uses less digits than its factorization.

51822152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477775 (or 6477771 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 51822152 is about 7198.7604488551. The cubic root of 51822152 is about 372.8251042241.

Adding to 51822152 its reverse (25122815), we get a palindrome (76944967).

The spelling of 51822152 in words is "fifty-one million, eight hundred twenty-two thousand, one hundred fifty-two".