51051164 has 12 divisors (see below), whose sum is σ = 89430600. Its totient is φ = 25499568.

The previous prime is 51051139. The next prime is 51051179. The reversal of 51051164 is 46115015.

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, 1694 + ... + 10245.

It is an arithmetic number, because the mean of its divisors is an integer number (7452550).

Almost surely, 2^51051164 is an apocalyptic number.

It is an amenable number.

51051164 is a deficient number, since it is larger than the sum of its proper divisors (38379436).

51051164 is a wasteful number, since it uses less digits than its factorization.

51051164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13012 (or 13010 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 51051164 is about 7145.0097270753. The cubic root of 51051164 is about 370.9669473100.

Adding to 51051164 its reverse (46115015), we get a palindrome (97166179).

It can be divided in two parts, 51051 and 164, that added together give a palindrome (51215).

The spelling of 51051164 in words is "fifty-one million, fifty-one thousand, one hundred sixty-four".