51563196 has 48 divisors (see below), whose sum is σ = 134578080. Its totient is φ = 17072640.

The previous prime is 51563191. The next prime is 51563201. The reversal of 51563196 is 69136515.

51563196 is a `hidden beast` number, since 5 + 1 + 563 + 1 + 96 = 666.

51563196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51563191) and next prime (51563201).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51563196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51563191) 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 15 ways as a sum of consecutive naturals, for example, 15436 + ... + 18476.

It is an arithmetic number, because the mean of its divisors is an integer number (2803710).

Almost surely, 2^51563196 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 51563196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67289040).

51563196 is an abundant number, since it is smaller than the sum of its proper divisors (83014884).

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

51563196 is a wasteful number, since it uses less digits than its factorization.

51563196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211 (or 3203 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 51563196 is about 7180.7517712284. The cubic root of 51563196 is about 372.2030629116.

The spelling of 51563196 in words is "fifty-one million, five hundred sixty-three thousand, one hundred ninety-six".