51078060 has 96 divisors (see below), whose sum is σ = 173376000. Its totient is φ = 12381120.

The previous prime is 51078059. The next prime is 51078067. The reversal of 51078060 is 6087015.

51078060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51078067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1641 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (1806000).

Almost surely, 2^51078060 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 51078060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86688000).

51078060 is an abundant number, since it is smaller than the sum of its proper divisors (122297940).

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

51078060 is a wasteful number, since it uses less digits than its factorization.

51078060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628 (or 8620 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 51078060 is about 7146.8916320314. The cubic root of 51078060 is about 371.0320831107.

The spelling of 51078060 in words is "fifty-one million, seventy-eight thousand, sixty".