51005014 has 4 divisors (see below), whose sum is σ = 76507524. Its totient is φ = 25502506.

The previous prime is 51004979. The next prime is 51005021. The reversal of 51005014 is 41050015.

It is a happy number.

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

It is a super-2 number, since 2×51005014² = 5203022906280392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12751252 + ... + 12751255.

It is an arithmetic number, because the mean of its divisors is an integer number (19126881).

Almost surely, 2^51005014 is an apocalyptic number.

51005014 is a deficient number, since it is larger than the sum of its proper divisors (25502510).

51005014 is a wasteful number, since it uses less digits than its factorization.

51005014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25502509.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 51005014 is about 7141.7794701321. The cubic root of 51005014 is about 370.8551295133.

Adding to 51005014 its reverse (41050015), we get a palindrome (92055029).

The spelling of 51005014 in words is "fifty-one million, five thousand, fourteen".