51203196 has 144 divisors (see below), whose sum is σ = 150678528. Its totient is φ = 14515200.

The previous prime is 51203189. The next prime is 51203197. The reversal of 51203196 is 69130215.

51203196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51203196² = 5243534561228832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51203197) 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, 527820 + ... + 527916.

Almost surely, 2^51203196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51203196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75339264).

51203196 is an abundant number, since it is smaller than the sum of its proper divisors (99475332).

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

51203196 is a wasteful number, since it uses less digits than its factorization.

51203196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 51203196 is about 7155.6408518036. The cubic root of 51203196 is about 371.3348328397.

The spelling of 51203196 in words is "fifty-one million, two hundred three thousand, one hundred ninety-six".