51206760 has 192 divisors, whose sum is σ = 185215680. Its totient is φ = 12165120.

The previous prime is 51206711. The next prime is 51206777. The reversal of 51206760 is 6760215.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265224 + ... + 265416.

It is an arithmetic number, because the mean of its divisors is an integer number (964665).

Almost surely, 2^51206760 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 51206760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92607840).

51206760 is an abundant number, since it is smaller than the sum of its proper divisors (134008920).

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

51206760 is a wasteful number, since it uses less digits than its factorization.

51206760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 281 counting only the distinct ones).

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

The square root of 51206760 is about 7155.8898817687. The cubic root of 51206760 is about 371.3434482305.

Adding to 51206760 its reverse (6760215), we get a palindrome (57966975).

The spelling of 51206760 in words is "fifty-one million, two hundred six thousand, seven hundred sixty".