51435146 has 8 divisors (see below), whose sum is σ = 88174560. Its totient is φ = 22043628.

The previous prime is 51435121. The next prime is 51435151. The reversal of 51435146 is 64153415.

It is a happy number.

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

It is an unprimeable number.

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, 1836956 + ... + 1836983.

It is an arithmetic number, because the mean of its divisors is an integer number (11021820).

Almost surely, 2^51435146 is an apocalyptic number.

51435146 is a deficient number, since it is larger than the sum of its proper divisors (36739414).

51435146 is a wasteful number, since it uses less digits than its factorization.

51435146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673948.

The product of its digits is 7200, while the sum is 29.

The square root of 51435146 is about 7171.8300314494. The cubic root of 51435146 is about 371.8947027294.

The spelling of 51435146 in words is "fifty-one million, four hundred thirty-five thousand, one hundred forty-six".