51560451 has 6 divisors (see below), whose sum is σ = 74476220. Its totient is φ = 34373628.

The previous prime is 51560449. The next prime is 51560477. The reversal of 51560451 is 15406515.

It is a happy number.

51560451 is a `hidden beast` number, since 5 + 1 + 5 + 604 + 51 = 666.

It is not a de Polignac number, because 51560451 - 2¹ = 51560449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51560441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2864461 + ... + 2864478.

Almost surely, 2^51560451 is an apocalyptic number.

51560451 is a deficient number, since it is larger than the sum of its proper divisors (22915769).

51560451 is a wasteful number, since it uses less digits than its factorization.

51560451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728945 (or 5728942 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 51560451 is about 7180.5606327083. The cubic root of 51560451 is about 372.1964579710.

Adding to 51560451 its reverse (15406515), we get a palindrome (66966966).

The spelling of 51560451 in words is "fifty-one million, five hundred sixty thousand, four hundred fifty-one".