51320354 has 8 divisors (see below), whose sum is σ = 77265408. Its totient is φ = 25565220.

The previous prime is 51320351. The next prime is 51320359. The reversal of 51320354 is 45302315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51320351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46802 + ... + 47885.

It is an arithmetic number, because the mean of its divisors is an integer number (9658176).

Almost surely, 2^51320354 is an apocalyptic number.

51320354 is a deficient number, since it is larger than the sum of its proper divisors (25945054).

51320354 is a wasteful number, since it uses less digits than its factorization.

51320354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94960.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 51320354 is about 7163.8225829511. The cubic root of 51320354 is about 371.6178341021.

Adding to 51320354 its reverse (45302315), we get a palindrome (96622669).

The spelling of 51320354 in words is "fifty-one million, three hundred twenty thousand, three hundred fifty-four".