51892641 has 6 divisors (see below), whose sum is σ = 74956050. Its totient is φ = 34595088.

The previous prime is 51892609. The next prime is 51892649. The reversal of 51892641 is 14629815.

51892641 is a `hidden beast` number, since 5 + 1 + 8 + 9 + 2 + 641 = 666.

51892641 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 only one way, i.e., 50126400 + 1766241 = 7080^2 + 1329^2 .

It is not a de Polignac number, because 51892641 - 2⁵ = 51892609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51892596 and 51892605.

It is not an unprimeable number, because it can be changed into a prime (51892649) 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 5 ways as a sum of consecutive naturals, for example, 2882916 + ... + 2882933.

It is an arithmetic number, because the mean of its divisors is an integer number (12492675).

Almost surely, 2^51892641 is an apocalyptic number.

It is an amenable number.

51892641 is a deficient number, since it is larger than the sum of its proper divisors (23063409).

51892641 is a wasteful number, since it uses less digits than its factorization.

51892641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765855 (or 5765852 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 51892641 is about 7203.6546974435. The cubic root of 51892641 is about 372.9940677611.

The spelling of 51892641 in words is "fifty-one million, eight hundred ninety-two thousand, six hundred forty-one".