51461350 has 48 divisors (see below), whose sum is σ = 101413152. Its totient is φ = 19388160.

The previous prime is 51461317. The next prime is 51461351. The reversal of 51461350 is 5316415.

51461350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51461351) 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 23 ways as a sum of consecutive naturals, for example, 83644 + ... + 84256.

It is an arithmetic number, because the mean of its divisors is an integer number (2112774).

Almost surely, 2^51461350 is an apocalyptic number.

51461350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51461350 is a deficient number, since it is larger than the sum of its proper divisors (49951802).

51461350 is a wasteful number, since it uses less digits than its factorization.

51461350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 51461350 is about 7173.6566686732. The cubic root of 51461350 is about 371.9578468057.

Adding to 51461350 its reverse (5316415), we get a palindrome (56777765).

The spelling of 51461350 in words is "fifty-one million, four hundred sixty-one thousand, three hundred fifty".