51078130 has 32 divisors (see below), whose sum is σ = 95256576. Its totient is φ = 19704384.

The previous prime is 51078113. The next prime is 51078133. The reversal of 51078130 is 3187015.

It is a junction number, because it is equal to n+sod(n) for n = 51078095 and 51078104.

It is not an unprimeable number, because it can be changed into a prime (51078133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46447 + ... + 47533.

It is an arithmetic number, because the mean of its divisors is an integer number (2976768).

Almost surely, 2^51078130 is an apocalyptic number.

51078130 is a deficient number, since it is larger than the sum of its proper divisors (44178446).

51078130 is a wasteful number, since it uses less digits than its factorization.

51078130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 51078130 is about 7146.8965292636. The cubic root of 51078130 is about 371.0322526045.

The spelling of 51078130 in words is "fifty-one million, seventy-eight thousand, one hundred thirty".