51417495 has 24 divisors (see below), whose sum is σ = 89312496. Its totient is φ = 27364608.

The previous prime is 51417491. The next prime is 51417511. The reversal of 51417495 is 59471415.

It is not a de Polignac number, because 51417495 - 2² = 51417491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51417491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28047 + ... + 29823.

It is an arithmetic number, because the mean of its divisors is an integer number (3721354).

Almost surely, 2^51417495 is an apocalyptic number.

51417495 is a deficient number, since it is larger than the sum of its proper divisors (37895001).

51417495 is a wasteful number, since it uses less digits than its factorization.

51417495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431 (or 2428 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 51417495 is about 7170.5993473349. The cubic root of 51417495 is about 371.8521568248.

The spelling of 51417495 in words is "fifty-one million, four hundred seventeen thousand, four hundred ninety-five".