51066016 has 12 divisors (see below), whose sum is σ = 100536282. Its totient is φ = 25532992.

The previous prime is 51066007. The next prime is 51066023. The reversal of 51066016 is 61066015.

It can be written as a sum of positive squares in only one way, i.e., 33593616 + 17472400 = 5796^2 + 4180^2 .

It is a super-2 number, since 2×51066016² = 5215475980224512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797875 + ... + 797938.

Almost surely, 2^51066016 is an apocalyptic number.

It is an amenable number.

51066016 is a deficient number, since it is larger than the sum of its proper divisors (49470266).

51066016 is a wasteful number, since it uses less digits than its factorization.

51066016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595823 (or 1595815 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 51066016 is about 7146.0489782816. The cubic root of 51066016 is about 371.0029181967.

Subtracting 51066016 from its reverse (61066015), we obtain a palindrome (9999999).

The spelling of 51066016 in words is "fifty-one million, sixty-six thousand, sixteen".