51437630 has 16 divisors (see below), whose sum is σ = 92806560. Its totient is φ = 20526432.

The previous prime is 51437627. The next prime is 51437663. The reversal of 51437630 is 3673415.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51437593 and 51437602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469 + ... + 10248.

It is an arithmetic number, because the mean of its divisors is an integer number (5800410).

Almost surely, 2^51437630 is an apocalyptic number.

51437630 is a deficient number, since it is larger than the sum of its proper divisors (41368930).

51437630 is a wasteful number, since it uses less digits than its factorization.

51437630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 51437630 is about 7172.0032069151. The cubic root of 51437630 is about 371.9006893724.

The spelling of 51437630 in words is "fifty-one million, four hundred thirty-seven thousand, six hundred thirty".