51511060 has 24 divisors (see below), whose sum is σ = 110476800. Its totient is φ = 20165664.

The previous prime is 51511051. The next prime is 51511087. The reversal of 51511060 is 6011515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26460 + ... + 28339.

It is an arithmetic number, because the mean of its divisors is an integer number (4603200).

Almost surely, 2^51511060 is an apocalyptic number.

It is an amenable number.

51511060 is an abundant number, since it is smaller than the sum of its proper divisors (58965740).

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

51511060 is a wasteful number, since it uses less digits than its factorization.

51511060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54855 (or 54853 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 51511060 is about 7177.1205925496. The cubic root of 51511060 is about 372.0775746802.

Adding to 51511060 its reverse (6011515), we get a palindrome (57522575).

The spelling of 51511060 in words is "fifty-one million, five hundred eleven thousand, sixty".