51166750 has 16 divisors (see below), whose sum is σ = 95784624. Its totient is φ = 20466600.

The previous prime is 51166741. The next prime is 51166757. The reversal of 51166750 is 5766115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102084 + ... + 102583.

It is an arithmetic number, because the mean of its divisors is an integer number (5986539).

Almost surely, 2^51166750 is an apocalyptic number.

51166750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51166750 is a deficient number, since it is larger than the sum of its proper divisors (44617874).

51166750 is a wasteful number, since it uses less digits than its factorization.

51166750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204684 (or 204674 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 51166750 is about 7153.0937362794. The cubic root of 51166750 is about 371.2467076008.

The spelling of 51166750 in words is "fifty-one million, one hundred sixty-six thousand, seven hundred fifty".