51235030 has 96 divisors (see below), whose sum is σ = 121347072. Its totient is φ = 15216960.

The previous prime is 51235027. The next prime is 51235031. The reversal of 51235030 is 3053215.

51235030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51234989 and 51235007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51235031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194679 + ... + 194941.

It is an arithmetic number, because the mean of its divisors is an integer number (1264032).

Almost surely, 2^51235030 is an apocalyptic number.

51235030 is an abundant number, since it is smaller than the sum of its proper divisors (70112042).

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

51235030 is a wasteful number, since it uses less digits than its factorization.

51235030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 51235030 is about 7157.8649051236. The cubic root of 51235030 is about 371.4117722044.

Adding to 51235030 its reverse (3053215), we get a palindrome (54288245).

It can be divided in two parts, 5123 and 5030, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 51235030 in words is "fifty-one million, two hundred thirty-five thousand, thirty".