51560465 has 8 divisors (see below), whose sum is σ = 67497408. Its totient is φ = 37498480.

The previous prime is 51560449. The next prime is 51560477. The reversal of 51560465 is 56406515.

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

It is not a de Polignac number, because 51560465 - 2⁴ = 51560449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468677 + ... + 468786.

It is an arithmetic number, because the mean of its divisors is an integer number (8437176).

Almost surely, 2^51560465 is an apocalyptic number.

51560465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51560465 is a deficient number, since it is larger than the sum of its proper divisors (15936943).

51560465 is a wasteful number, since it uses less digits than its factorization.

51560465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937479.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 51560465 is about 7180.5616075625. The cubic root of 51560465 is about 372.1964916580.

It can be divided in two parts, 51560 and 465, that added together give a palindrome (52025).

The spelling of 51560465 in words is "fifty-one million, five hundred sixty thousand, four hundred sixty-five".