51206000 has 40 divisors (see below), whose sum is σ = 123820944. Its totient is φ = 20481600.

The previous prime is 51205997. The next prime is 51206047. The reversal of 51206000 is 60215.

51206000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10802 + ... + 14801.

Almost surely, 2^51206000 is an apocalyptic number.

51206000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51206000 is an abundant number, since it is smaller than the sum of its proper divisors (72614944).

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

51206000 is a wasteful number, since it uses less digits than its factorization.

51206000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25626 (or 25610 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 51206000 is about 7155.8367784627. The cubic root of 51206000 is about 371.3416110876.

Adding to 51206000 its reverse (60215), we get a palindrome (51266215).

The spelling of 51206000 in words is "fifty-one million, two hundred six thousand".