51563195 has 8 divisors (see below), whose sum is σ = 62118144. Its totient is φ = 41089024.

The previous prime is 51563191. The next prime is 51563201. The reversal of 51563195 is 59136515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51563195 - 2² = 51563191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51563191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18779 + ... + 21348.

It is an arithmetic number, because the mean of its divisors is an integer number (7764768).

Almost surely, 2^51563195 is an apocalyptic number.

51563195 is a deficient number, since it is larger than the sum of its proper divisors (10554949).

51563195 is a wasteful number, since it uses less digits than its factorization.

51563195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40389.

The product of its digits is 20250, while the sum is 35.

The square root of 51563195 is about 7180.7517015978. The cubic root of 51563195 is about 372.2030605055.

The spelling of 51563195 in words is "fifty-one million, five hundred sixty-three thousand, one hundred ninety-five".