51046236 has 72 divisors (see below), whose sum is σ = 139564880. Its totient is φ = 15676416.

The previous prime is 51046201. The next prime is 51046241. The reversal of 51046236 is 63264015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24300 + ... + 26316.

Almost surely, 2^51046236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51046236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69782440).

51046236 is an abundant number, since it is smaller than the sum of its proper divisors (88518644).

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

51046236 is a wasteful number, since it uses less digits than its factorization.

51046236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2078 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 51046236 is about 7144.6648626790. The cubic root of 51046236 is about 370.9550103707.

The spelling of 51046236 in words is "fifty-one million, forty-six thousand, two hundred thirty-six".