51968830 has 32 divisors (see below), whose sum is σ = 100007136. Its totient is φ = 19375104.

The previous prime is 51968827. The next prime is 51968863. The reversal of 51968830 is 3886915.

It is a happy number.

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, 16762 + ... + 19618.

It is an arithmetic number, because the mean of its divisors is an integer number (3125223).

Almost surely, 2^51968830 is an apocalyptic number.

51968830 is a deficient number, since it is larger than the sum of its proper divisors (48038306).

51968830 is a wasteful number, since it uses less digits than its factorization.

51968830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 51968830 is about 7208.9409763155. The cubic root of 51968830 is about 373.1765223313.

The spelling of 51968830 in words is "fifty-one million, nine hundred sixty-eight thousand, eight hundred thirty".