51971841 has 24 divisors (see below), whose sum is σ = 79598880. Its totient is φ = 33513480.

The previous prime is 51971831. The next prime is 51971851. The reversal of 51971841 is 14817915.

It is an interprime number because it is at equal distance from previous prime (51971831) and next prime (51971851).

It is not a de Polignac number, because 51971841 - 2⁷ = 51971713 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51971796 and 51971805.

It is not an unprimeable number, because it can be changed into a prime (51971831) 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, 24946 + ... + 26948.

It is an arithmetic number, because the mean of its divisors is an integer number (3316620).

Almost surely, 2^51971841 is an apocalyptic number.

It is an amenable number.

51971841 is a deficient number, since it is larger than the sum of its proper divisors (27627039).

51971841 is a wasteful number, since it uses less digits than its factorization.

51971841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074 (or 2037 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 51971841 is about 7209.1498111775. The cubic root of 51971841 is about 373.1837292976.

The spelling of 51971841 in words is "fifty-one million, nine hundred seventy-one thousand, eight hundred forty-one".