51692193 has 24 divisors (see below), whose sum is σ = 86738496. Its totient is φ = 29052000.

The previous prime is 51692191. The next prime is 51692197. The reversal of 51692193 is 39129615.

It is not a de Polignac number, because 51692193 - 2¹ = 51692191 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51692191) 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, 2883 + ... + 10568.

It is an arithmetic number, because the mean of its divisors is an integer number (3614104).

Almost surely, 2^51692193 is an apocalyptic number.

It is an amenable number.

51692193 is a deficient number, since it is larger than the sum of its proper divisors (35046303).

51692193 is a wasteful number, since it uses less digits than its factorization.

51692193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13525 (or 13522 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 51692193 is about 7189.7282980652. The cubic root of 51692193 is about 372.5131878279.

Subtracting from 51692193 its reverse (39129615), we obtain a triangular number (12562578 = T₅₀₁₂).

The spelling of 51692193 in words is "fifty-one million, six hundred ninety-two thousand, one hundred ninety-three".