51785060 has 48 divisors (see below), whose sum is σ = 115831296. Its totient is φ = 19379712.

The previous prime is 51785059. The next prime is 51785087. The reversal of 51785060 is 6058715.

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, 75479 + ... + 76161.

It is an arithmetic number, because the mean of its divisors is an integer number (2413152).

Almost surely, 2^51785060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51785060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57915648).

51785060 is an abundant number, since it is smaller than the sum of its proper divisors (64046236).

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

51785060 is a wasteful number, since it uses less digits than its factorization.

51785060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 51785060 is about 7196.1837108290. The cubic root of 51785060 is about 372.7361324305.

The spelling of 51785060 in words is "fifty-one million, seven hundred eighty-five thousand, sixty".