51630063 has 8 divisors (see below), whose sum is σ = 71214000. Its totient is φ = 33233088.

The previous prime is 51630031. The next prime is 51630077. The reversal of 51630063 is 36003615.

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

It is not a de Polignac number, because 51630063 - 2⁵ = 51630031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51630023) 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, 296638 + ... + 296811.

It is an arithmetic number, because the mean of its divisors is an integer number (8901750).

Almost surely, 2^51630063 is an apocalyptic number.

51630063 is a deficient number, since it is larger than the sum of its proper divisors (19583937).

51630063 is a wasteful number, since it uses less digits than its factorization.

51630063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593481.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 51630063 is about 7185.4062515630. The cubic root of 51630063 is about 372.3638840244.

Adding to 51630063 its reverse (36003615), we get a palindrome (87633678).

The spelling of 51630063 in words is "fifty-one million, six hundred thirty thousand, sixty-three".