51480317 has 8 divisors (see below), whose sum is σ = 58892736. Its totient is φ = 44082432.

The previous prime is 51480311. The next prime is 51480323. The reversal of 51480317 is 71308415.

It is an interprime number because it is at equal distance from previous prime (51480311) and next prime (51480323).

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

It is a cyclic number.

It is not a de Polignac number, because 51480317 - 2¹⁰ = 51479293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51480317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51480311) 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, 5498 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (7361592).

Almost surely, 2^51480317 is an apocalyptic number.

It is an amenable number.

51480317 is a deficient number, since it is larger than the sum of its proper divisors (7412419).

51480317 is a wasteful number, since it uses less digits than its factorization.

51480317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7267.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 51480317 is about 7174.9785365533. The cubic root of 51480317 is about 372.0035384294.

The spelling of 51480317 in words is "fifty-one million, four hundred eighty thousand, three hundred seventeen".