51828630 has 32 divisors (see below), whose sum is σ = 142159104. Its totient is φ = 11846496.

The previous prime is 51828619. The next prime is 51828643. The reversal of 51828630 is 3682815.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51828591 and 51828600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123192 + ... + 123611.

It is an arithmetic number, because the mean of its divisors is an integer number (4442472).

Almost surely, 2^51828630 is an apocalyptic number.

51828630 is an abundant number, since it is smaller than the sum of its proper divisors (90330474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51828630 is a wasteful number, since it uses less digits than its factorization.

51828630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246820.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 51828630 is about 7199.2103733673. The cubic root of 51828630 is about 372.8406385101.

The spelling of 51828630 in words is "fifty-one million, eight hundred twenty-eight thousand, six hundred thirty".