51200766 has 24 divisors (see below), whose sum is σ = 113297184. Its totient is φ = 16703520.

The previous prime is 51200761. The next prime is 51200803. The reversal of 51200766 is 66700215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51200761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29415 + ... + 31106.

It is an arithmetic number, because the mean of its divisors is an integer number (4720716).

Almost surely, 2^51200766 is an apocalyptic number.

51200766 is an abundant number, since it is smaller than the sum of its proper divisors (62096418).

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

51200766 is a wasteful number, since it uses less digits than its factorization.

51200766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60576 (or 60573 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 51200766 is about 7155.4710536763. The cubic root of 51200766 is about 371.3289584803.

The spelling of 51200766 in words is "fifty-one million, two hundred thousand, seven hundred sixty-six".