51201836 has 12 divisors (see below), whose sum is σ = 102403728. Its totient is φ = 21943632.

The previous prime is 51201833. The next prime is 51201851. The reversal of 51201836 is 63810215.

51201836 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51201833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914291 + ... + 914346.

It is an arithmetic number, because the mean of its divisors is an integer number (8533644).

Almost surely, 2^51201836 is an apocalyptic number.

It is an amenable number.

51201836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51201836 is a wasteful number, since it uses less digits than its factorization.

51201836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828648 (or 1828646 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 51201836 is about 7155.5458212494. The cubic root of 51201836 is about 371.3315451553.

The spelling of 51201836 in words is "fifty-one million, two hundred one thousand, eight hundred thirty-six".