51765950 has 24 divisors (see below), whose sum is σ = 96623280. Its totient is φ = 20633600.

The previous prime is 51765949. The next prime is 51765977. The reversal of 51765950 is 5956715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13886 + ... + 17214.

It is an arithmetic number, because the mean of its divisors is an integer number (4025970).

Almost surely, 2^51765950 is an apocalyptic number.

51765950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51765950 is a deficient number, since it is larger than the sum of its proper divisors (44857330).

51765950 is a wasteful number, since it uses less digits than its factorization.

51765950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 51765950 is about 7194.8558011957. The cubic root of 51765950 is about 372.6902770953.

The spelling of 51765950 in words is "fifty-one million, seven hundred sixty-five thousand, nine hundred fifty".