51340902 has 8 divisors (see below), whose sum is σ = 102681816. Its totient is φ = 17113632.

The previous prime is 51340879. The next prime is 51340909. The reversal of 51340902 is 20904315.

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

51340902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51340909) 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, 4278403 + ... + 4278414.

It is an arithmetic number, because the mean of its divisors is an integer number (12835227).

Almost surely, 2^51340902 is an apocalyptic number.

51340902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51340902 is a wasteful number, since it uses less digits than its factorization.

51340902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8556822.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51340902 is about 7165.2565899624. The cubic root of 51340902 is about 371.6674244613.

The spelling of 51340902 in words is "fifty-one million, three hundred forty thousand, nine hundred two".