51427504 has 20 divisors (see below), whose sum is σ = 99754776. Its totient is φ = 25684352.

The previous prime is 51427477. The next prime is 51427513. The reversal of 51427504 is 40572415.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21807 + ... + 24049.

Almost surely, 2^51427504 is an apocalyptic number.

It is an amenable number.

51427504 is a deficient number, since it is larger than the sum of its proper divisors (48327272).

51427504 is a wasteful number, since it uses less digits than its factorization.

51427504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684 (or 3678 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 51427504 is about 7171.2972327188. The cubic root of 51427504 is about 371.8762836761.

Adding to 51427504 its reverse (40572415), we get a palindrome (91999919).

The spelling of 51427504 in words is "fifty-one million, four hundred twenty-seven thousand, five hundred four".