51046212 has 48 divisors (see below), whose sum is σ = 140521472. Its totient is φ = 14113440.

The previous prime is 51046201. The next prime is 51046241. The reversal of 51046212 is 21264015.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7198 + ... + 12405.

Almost surely, 2^51046212 is an apocalyptic number.

It is an amenable number.

51046212 is an abundant number, since it is smaller than the sum of its proper divisors (89475260).

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

51046212 is a wasteful number, since it uses less digits than its factorization.

51046212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19648 (or 19646 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 51046212 is about 7144.6631831039. The cubic root of 51046212 is about 370.9549522344.

The spelling of 51046212 in words is "fifty-one million, forty-six thousand, two hundred twelve".