51066046 has 4 divisors (see below), whose sum is σ = 76599072. Its totient is φ = 25533022.

The previous prime is 51066023. The next prime is 51066047. The reversal of 51066046 is 64066015.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51066047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12766510 + ... + 12766513.

It is an arithmetic number, because the mean of its divisors is an integer number (19149768).

Almost surely, 2^51066046 is an apocalyptic number.

51066046 is a deficient number, since it is larger than the sum of its proper divisors (25533026).

51066046 is a wasteful number, since it uses less digits than its factorization.

51066046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25533025.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 51066046 is about 7146.0510773433. The cubic root of 51066046 is about 371.0029908483.

The spelling of 51066046 in words is "fifty-one million, sixty-six thousand, forty-six".