51560450 has 24 divisors (see below), whose sum is σ = 96422400. Its totient is φ = 20512400.

The previous prime is 51560449. The next prime is 51560477. The reversal of 51560450 is 5406515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6851 + ... + 12249.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^51560450 is an apocalyptic number.

51560450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51560450 is a deficient number, since it is larger than the sum of its proper divisors (44861950).

51560450 is a wasteful number, since it uses less digits than its factorization.

51560450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 5597 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 51560450 is about 7180.5605630758. The cubic root of 51560450 is about 372.1964555648.

Adding to 51560450 its reverse (5406515), we get a palindrome (56966965).

The spelling of 51560450 in words is "fifty-one million, five hundred sixty thousand, four hundred fifty".