51345234 has 48 divisors (see below), whose sum is σ = 114633792. Its totient is φ = 16602144.

The previous prime is 51345199. The next prime is 51345241. The reversal of 51345234 is 43254315.

51345234 is a `hidden beast` number, since 5 + 134 + 523 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51345198 and 51345207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101827 + ... + 102329.

It is an arithmetic number, because the mean of its divisors is an integer number (2388204).

Almost surely, 2^51345234 is an apocalyptic number.

51345234 is an abundant number, since it is smaller than the sum of its proper divisors (63288558).

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

51345234 is a wasteful number, since it uses less digits than its factorization.

51345234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 668 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 51345234 is about 7165.5588756216. The cubic root of 51345234 is about 371.6778775824.

Adding to 51345234 its reverse (43254315), we get a palindrome (94599549).

The spelling of 51345234 in words is "fifty-one million, three hundred forty-five thousand, two hundred thirty-four".