51404770 has 32 divisors (see below), whose sum is σ = 102238848. Its totient is φ = 18509568.

The previous prime is 51404767. The next prime is 51404807. The reversal of 51404770 is 7740415.

51404770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 2664 + ... + 10483.

It is an arithmetic number, because the mean of its divisors is an integer number (3194964).

Almost surely, 2^51404770 is an apocalyptic number.

51404770 is a deficient number, since it is larger than the sum of its proper divisors (50834078).

51404770 is a wasteful number, since it uses less digits than its factorization.

51404770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 51404770 is about 7169.7119886366. The cubic root of 51404770 is about 371.8214784919.

The spelling of 51404770 in words is "fifty-one million, four hundred four thousand, seven hundred seventy".