51103822 has 16 divisors (see below), whose sum is σ = 95571072. Its totient is φ = 19910520.

The previous prime is 51103817. The next prime is 51103849. The reversal of 51103822 is 22830115.

It is a super-2 number, since 2×51103822² = 5223201246015368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 51103793 and 51103802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165768 + ... + 166075.

It is an arithmetic number, because the mean of its divisors is an integer number (5973192).

Almost surely, 2^51103822 is an apocalyptic number.

51103822 is a deficient number, since it is larger than the sum of its proper divisors (44467250).

51103822 is a wasteful number, since it uses less digits than its factorization.

51103822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331863.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 51103822 is about 7148.6937268287. The cubic root of 51103822 is about 371.0944511932.

Adding to 51103822 its reverse (22830115), we get a palindrome (73933937).

The spelling of 51103822 in words is "fifty-one million, one hundred three thousand, eight hundred twenty-two".