51008236 has 12 divisors (see below), whose sum is σ = 93962680. Its totient is φ = 24161760.

The previous prime is 51008219. The next prime is 51008249. The reversal of 51008236 is 63280015.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51008236.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335505 + ... + 335656.

Almost surely, 2^51008236 is an apocalyptic number.

It is an amenable number.

51008236 is a deficient number, since it is larger than the sum of its proper divisors (42954444).

51008236 is a wasteful number, since it uses less digits than its factorization.

51008236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671184 (or 671182 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51008236 is about 7142.0050406031. The cubic root of 51008236 is about 370.8629383538.

The spelling of 51008236 in words is "fifty-one million, eight thousand, two hundred thirty-six".