51504801 has 16 divisors (see below), whose sum is σ = 73477440. Its totient is φ = 31993920.

The previous prime is 51504793. The next prime is 51504811. The reversal of 51504801 is 10840515.

It is not a de Polignac number, because 51504801 - 2³ = 51504793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51504811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3930 + ... + 10883.

It is an arithmetic number, because the mean of its divisors is an integer number (4592340).

Almost surely, 2^51504801 is an apocalyptic number.

It is an amenable number.

51504801 is a deficient number, since it is larger than the sum of its proper divisors (21972639).

51504801 is a wasteful number, since it uses less digits than its factorization.

51504801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14896.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 51504801 is about 7176.6845409284. The cubic root of 51504801 is about 372.0625039500.

The spelling of 51504801 in words is "fifty-one million, five hundred four thousand, eight hundred one".