51280694 has 8 divisors (see below), whose sum is σ = 77024928. Its totient is φ = 25605720.

The previous prime is 51280693. The next prime is 51280711. The reversal of 51280694 is 49608215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51280693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15422 + ... + 18449.

It is an arithmetic number, because the mean of its divisors is an integer number (9628116).

Almost surely, 2^51280694 is an apocalyptic number.

51280694 is a deficient number, since it is larger than the sum of its proper divisors (25744234).

51280694 is a wasteful number, since it uses less digits than its factorization.

51280694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34630.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 51280694 is about 7161.0539727054. The cubic root of 51280694 is about 371.5220815702.

The spelling of 51280694 in words is "fifty-one million, two hundred eighty thousand, six hundred ninety-four".