51078874 has 40 divisors (see below), whose sum is σ = 97609248. Its totient is φ = 19880280.

The previous prime is 51078869. The next prime is 51078877. The reversal of 51078874 is 47887015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51078877) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52339 + ... + 53305.

Almost surely, 2^51078874 is an apocalyptic number.

51078874 is a deficient number, since it is larger than the sum of its proper divisors (46530374).

51078874 is an equidigital number, since it uses as much as digits as its factorization.

51078874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 51078874 is about 7146.9485796387. The cubic root of 51078874 is about 371.0340540712.

The spelling of 51078874 in words is "fifty-one million, seventy-eight thousand, eight hundred seventy-four".