51071030 has 32 divisors (see below), whose sum is σ = 96690240. Its totient is φ = 19393920.

The previous prime is 51070991. The next prime is 51071039. The reversal of 51071030 is 3017015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51071039) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 16247 + ... + 19133.

It is an arithmetic number, because the mean of its divisors is an integer number (3021570).

Almost surely, 2^51071030 is an apocalyptic number.

51071030 is a deficient number, since it is larger than the sum of its proper divisors (45619210).

51071030 is a wasteful number, since it uses less digits than its factorization.

51071030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 51071030 is about 7146.3997929027. The cubic root of 51071030 is about 371.0150603080.

Adding to 51071030 its reverse (3017015), we get a palindrome (54088045).

The spelling of 51071030 in words is "fifty-one million, seventy-one thousand, thirty".