51494241 has 16 divisors (see below), whose sum is σ = 73726848. Its totient is φ = 31852800.

The previous prime is 51494239. The next prime is 51494291. The reversal of 51494241 is 14249415.

51494241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51494241 - 2¹ = 51494239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51494199 and 51494208.

It is not an unprimeable number, because it can be changed into a prime (51494231) 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 15 ways as a sum of consecutive naturals, for example, 3490 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (4607928).

Almost surely, 2^51494241 is an apocalyptic number.

51494241 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51494241 is a deficient number, since it is larger than the sum of its proper divisors (22232607).

51494241 is a wasteful number, since it uses less digits than its factorization.

51494241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14312.

The product of its digits is 5760, while the sum is 30.

The square root of 51494241 is about 7175.9487874427. The cubic root of 51494241 is about 372.0370742909.

The spelling of 51494241 in words is "fifty-one million, four hundred ninety-four thousand, two hundred forty-one".