51066754 has 4 divisors (see below), whose sum is σ = 76600134. Its totient is φ = 25533376.

The previous prime is 51066751. The next prime is 51066761. The reversal of 51066754 is 45766015.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40666129 + 10400625 = 6377^2 + 3225^2 .

It is not an unprimeable number, because it can be changed into a prime (51066751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12766687 + ... + 12766690.

Almost surely, 2^51066754 is an apocalyptic number.

51066754 is a deficient number, since it is larger than the sum of its proper divisors (25533380).

51066754 is a wasteful number, since it uses less digits than its factorization.

51066754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25533379.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 51066754 is about 7146.1006150208. The cubic root of 51066754 is about 371.0047054181.

The spelling of 51066754 in words is "fifty-one million, sixty-six thousand, seven hundred fifty-four".