51314909 has 8 divisors (see below), whose sum is σ = 54068352. Its totient is φ = 48605040.

The previous prime is 51314899. The next prime is 51314917. The reversal of 51314909 is 90941315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51314909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51313909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8462 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (6758544).

Almost surely, 2^51314909 is an apocalyptic number.

It is an amenable number.

51314909 is a deficient number, since it is larger than the sum of its proper divisors (2753443).

51314909 is a wasteful number, since it uses less digits than its factorization.

51314909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21787.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 51314909 is about 7163.4425383331. The cubic root of 51314909 is about 371.6046909694.

The spelling of 51314909 in words is "fifty-one million, three hundred fourteen thousand, nine hundred nine".