51992141 has 8 divisors (see below), whose sum is σ = 54701304. Its totient is φ = 49351680.

The previous prime is 51992119. The next prime is 51992147. The reversal of 51992141 is 14129915.

51992141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15570916 + 36421225 = 3946^2 + 6035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51992141 - 2²² = 47797837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51992098 and 51992107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51992147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15620 + ... + 18653.

It is an arithmetic number, because the mean of its divisors is an integer number (6837663).

Almost surely, 2^51992141 is an apocalyptic number.

It is an amenable number.

51992141 is a deficient number, since it is larger than the sum of its proper divisors (2709163).

51992141 is a wasteful number, since it uses less digits than its factorization.

51992141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34351.

The product of its digits is 3240, while the sum is 32.

The square root of 51992141 is about 7210.5576067320. The cubic root of 51992141 is about 373.2323110131.

The spelling of 51992141 in words is "fifty-one million, nine hundred ninety-two thousand, one hundred forty-one".