51630088 has 16 divisors (see below), whose sum is σ = 102501180. Its totient is φ = 24296448.

The previous prime is 51630083. The next prime is 51630091. The reversal of 51630088 is 88003615.

It can be written as a sum of positive squares in 2 ways, for example, as 49252324 + 2377764 = 7018^2 + 1542^2 .

It is not an unprimeable number, because it can be changed into a prime (51630083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189681 + ... + 189952.

Almost surely, 2^51630088 is an apocalyptic number.

It is an amenable number.

51630088 is a deficient number, since it is larger than the sum of its proper divisors (50871092).

51630088 is a wasteful number, since it uses less digits than its factorization.

51630088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379656 (or 379652 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 51630088 is about 7185.4079911999. The cubic root of 51630088 is about 372.3639441256.

The spelling of 51630088 in words is "fifty-one million, six hundred thirty thousand, eighty-eight".