51922801 has 24 divisors (see below), whose sum is σ = 65107680. Its totient is φ = 41150592.

The previous prime is 51922781. The next prime is 51922817. The reversal of 51922801 is 10822915.

It is not a de Polignac number, because 51922801 - 2⁹ = 51922289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51922801.

It is not an unprimeable number, because it can be changed into a prime (51922841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39385 + ... + 40681.

It is an arithmetic number, because the mean of its divisors is an integer number (2712820).

Almost surely, 2^51922801 is an apocalyptic number.

It is an amenable number.

51922801 is a deficient number, since it is larger than the sum of its proper divisors (13184879).

51922801 is a wasteful number, since it uses less digits than its factorization.

51922801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 51922801 is about 7205.7477752139. The cubic root of 51922801 is about 373.0663151432.

The spelling of 51922801 in words is "fifty-one million, nine hundred twenty-two thousand, eight hundred one".