51320410 has 16 divisors (see below), whose sum is σ = 93242016. Its totient is φ = 20335888.

The previous prime is 51320393. The next prime is 51320411. The reversal of 51320410 is 1402315.

51320410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51320411) 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, 22912 + ... + 25051.

It is an arithmetic number, because the mean of its divisors is an integer number (5827626).

Almost surely, 2^51320410 is an apocalyptic number.

51320410 is a deficient number, since it is larger than the sum of its proper divisors (41921606).

51320410 is a wasteful number, since it uses less digits than its factorization.

51320410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48077.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51320410 is about 7163.8264914779. The cubic root of 51320410 is about 371.6179692700.

Adding to 51320410 its reverse (1402315), we get a palindrome (52722725).

The spelling of 51320410 in words is "fifty-one million, three hundred twenty thousand, four hundred ten".