51823396 has 12 divisors (see below), whose sum is σ = 91523740. Its totient is φ = 25673760.

The previous prime is 51823367. The next prime is 51823423. The reversal of 51823396 is 69332815.

It can be written as a sum of positive squares in 2 ways, for example, as 20575296 + 31248100 = 4536^2 + 5590^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58995 + ... + 59866.

Almost surely, 2^51823396 is an apocalyptic number.

It is an amenable number.

51823396 is a deficient number, since it is larger than the sum of its proper divisors (39700344).

51823396 is a wasteful number, since it uses less digits than its factorization.

51823396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118974 (or 118972 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 51823396 is about 7198.8468521007. The cubic root of 51823396 is about 372.8280874446.

The spelling of 51823396 in words is "fifty-one million, eight hundred twenty-three thousand, three hundred ninety-six".