51030234 has 24 divisors (see below), whose sum is σ = 111151872. Its totient is φ = 16919880.

The previous prime is 51030233. The next prime is 51030263. The reversal of 51030234 is 43203015.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (51030233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3984 + ... + 10859.

It is an arithmetic number, because the mean of its divisors is an integer number (4631328).

Almost surely, 2^51030234 is an apocalyptic number.

51030234 is an abundant number, since it is smaller than the sum of its proper divisors (60121638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51030234 is a wasteful number, since it uses less digits than its factorization.

51030234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15042 (or 15039 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 51030234 is about 7143.5449183161. The cubic root of 51030234 is about 370.9162439312.

Adding to 51030234 its reverse (43203015), we get a palindrome (94233249).

The spelling of 51030234 in words is "fifty-one million, thirty thousand, two hundred thirty-four".