51351164 has 12 divisors (see below), whose sum is σ = 90403824. Its totient is φ = 25521504.

The previous prime is 51351149. The next prime is 51351197. The reversal of 51351164 is 46115315.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37769 + ... + 39104.

It is an arithmetic number, because the mean of its divisors is an integer number (7533652).

Almost surely, 2^51351164 is an apocalyptic number.

It is an amenable number.

51351164 is a deficient number, since it is larger than the sum of its proper divisors (39052660).

51351164 is a wasteful number, since it uses less digits than its factorization.

51351164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77044 (or 77042 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 51351164 is about 7165.9726485663. The cubic root of 51351164 is about 371.6921857261.

Adding to 51351164 its reverse (46115315), we get a palindrome (97466479).

It can be divided in two parts, 51351 and 164, that added together give a palindrome (51515).

The spelling of 51351164 in words is "fifty-one million, three hundred fifty-one thousand, one hundred sixty-four".