51895463 has 8 divisors (see below), whose sum is σ = 53555040. Its totient is φ = 50254720.

The previous prime is 51895447. The next prime is 51895469. The reversal of 51895463 is 36459815.

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 51895463 - 2⁴ = 51895447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51895463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51895469) 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, 998 + ... + 10236.

It is an arithmetic number, because the mean of its divisors is an integer number (6694380).

Almost surely, 2^51895463 is an apocalyptic number.

51895463 is a deficient number, since it is larger than the sum of its proper divisors (1659577).

51895463 is a wasteful number, since it uses less digits than its factorization.

51895463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9417.

The product of its digits is 129600, while the sum is 41.

The square root of 51895463 is about 7203.8505675784. The cubic root of 51895463 is about 373.0008289650. Note that the first 3 decimals are identical.

The spelling of 51895463 in words is "fifty-one million, eight hundred ninety-five thousand, four hundred sixty-three".