51163030 has 32 divisors (see below), whose sum is σ = 99182880. Its totient is φ = 18931200.

The previous prime is 51163027. The next prime is 51163031. The reversal of 51163030 is 3036115.

It is a junction number, because it is equal to n+sod(n) for n = 51162989 and 51163007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51163031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7480 + ... + 12580.

It is an arithmetic number, because the mean of its divisors is an integer number (3099465).

Almost surely, 2^51163030 is an apocalyptic number.

51163030 is a deficient number, since it is larger than the sum of its proper divisors (48019850).

51163030 is a wasteful number, since it uses less digits than its factorization.

51163030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 51163030 is about 7152.8337042042. The cubic root of 51163030 is about 371.2377104088.

Adding to 51163030 its reverse (3036115), we get a palindrome (54199145).

The spelling of 51163030 in words is "fifty-one million, one hundred sixty-three thousand, thirty".