51193401 has 16 divisors (see below), whose sum is σ = 78741504. Its totient is φ = 28978704.

The previous prime is 51193397. The next prime is 51193403. The reversal of 51193401 is 10439115.

It is not a de Polignac number, because 51193401 - 2² = 51193397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51193403) 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, 9145 + ... + 13638.

It is an arithmetic number, because the mean of its divisors is an integer number (4921344).

Almost surely, 2^51193401 is an apocalyptic number.

It is an amenable number.

51193401 is a deficient number, since it is larger than the sum of its proper divisors (27548103).

51193401 is a wasteful number, since it uses less digits than its factorization.

51193401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22900.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 51193401 is about 7154.9563939971. The cubic root of 51193401 is about 371.3111529595.

The spelling of 51193401 in words is "fifty-one million, one hundred ninety-three thousand, four hundred one".