51345836 has 6 divisors (see below), whose sum is σ = 89855220. Its totient is φ = 25672916.

The previous prime is 51345803. The next prime is 51345839. The reversal of 51345836 is 63854315.

It is a junction number, because it is equal to n+sod(n) for n = 51345796 and 51345805.

It is not an unprimeable number, because it can be changed into a prime (51345839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6418226 + ... + 6418233.

It is an arithmetic number, because the mean of its divisors is an integer number (14975870).

Almost surely, 2^51345836 is an apocalyptic number.

It is an amenable number.

51345836 is a deficient number, since it is larger than the sum of its proper divisors (38509384).

51345836 is a wasteful number, since it uses less digits than its factorization.

51345836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12836463 (or 12836461 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 51345836 is about 7165.6008819917. The cubic root of 51345836 is about 371.6793301626.

The spelling of 51345836 in words is "fifty-one million, three hundred forty-five thousand, eight hundred thirty-six".