51889230 has 48 divisors (see below), whose sum is σ = 135508464. Its totient is φ = 13776000.

The previous prime is 51889217. The next prime is 51889267. The reversal of 51889230 is 3298815.

51889230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21442 + ... + 23738.

It is an arithmetic number, because the mean of its divisors is an integer number (2823093).

Almost surely, 2^51889230 is an apocalyptic number.

51889230 is an abundant number, since it is smaller than the sum of its proper divisors (83619234).

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

51889230 is a wasteful number, since it uses less digits than its factorization.

51889230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 51889230 is about 7203.4179387288. The cubic root of 51889230 is about 372.9858950503.

The spelling of 51889230 in words is "fifty-one million, eight hundred eighty-nine thousand, two hundred thirty".