51683950 has 12 divisors (see below), whose sum is σ = 96132240. Its totient is φ = 20673560.

The previous prime is 51683939. The next prime is 51683959. The reversal of 51683950 is 5938615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51683959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516790 + ... + 516889.

It is an arithmetic number, because the mean of its divisors is an integer number (8011020).

Almost surely, 2^51683950 is an apocalyptic number.

51683950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51683950 is a deficient number, since it is larger than the sum of its proper divisors (44448290).

51683950 is a wasteful number, since it uses less digits than its factorization.

51683950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033691 (or 1033686 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 51683950 is about 7189.1550268443. The cubic root of 51683950 is about 372.4933860664.

The spelling of 51683950 in words is "fifty-one million, six hundred eighty-three thousand, nine hundred fifty".