51356941 has 8 divisors (see below), whose sum is σ = 53678520. Its totient is φ = 49072128.

The previous prime is 51356923. The next prime is 51356951. The reversal of 51356941 is 14965315.

51356941 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 3884841 + 47472100 = 1971^2 + 6890^2 .

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 51356941 - 2⁵ = 51356909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51356897 and 51356906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51356951) 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, 6316 + ... + 11941.

It is an arithmetic number, because the mean of its divisors is an integer number (6709815).

Almost surely, 2^51356941 is an apocalyptic number.

It is an amenable number.

51356941 is a deficient number, since it is larger than the sum of its proper divisors (2321579).

51356941 is a wasteful number, since it uses less digits than its factorization.

51356941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18383.

The product of its digits is 16200, while the sum is 34.

The square root of 51356941 is about 7166.3757227765. The cubic root of 51356941 is about 371.7061236461.

The spelling of 51356941 in words is "fifty-one million, three hundred fifty-six thousand, nine hundred forty-one".