51650241 has 4 divisors (see below), whose sum is σ = 68866992. Its totient is φ = 34433492.

The previous prime is 51650239. The next prime is 51650243. The reversal of 51650241 is 14205615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (51650239) and next prime (51650243).

It is a cyclic number.

It is not a de Polignac number, because 51650241 - 2¹ = 51650239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51650243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8608371 + ... + 8608376.

It is an arithmetic number, because the mean of its divisors is an integer number (17216748).

Almost surely, 2^51650241 is an apocalyptic number.

It is an amenable number.

51650241 is a deficient number, since it is larger than the sum of its proper divisors (17216751).

51650241 is a wasteful number, since it uses less digits than its factorization.

51650241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17216750.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 51650241 is about 7186.8102103785. The cubic root of 51650241 is about 372.4123866436.

Adding to 51650241 its reverse (14205615), we get a palindrome (65855856).

The spelling of 51650241 in words is "fifty-one million, six hundred fifty thousand, two hundred forty-one".