51077906 has 16 divisors (see below), whose sum is σ = 84397248. Its totient is φ = 22990800.

The previous prime is 51077899. The next prime is 51077933. The reversal of 51077906 is 60977015.

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 7 ways as a sum of consecutive naturals, for example, 9005 + ... + 13536.

It is an arithmetic number, because the mean of its divisors is an integer number (5274828).

Almost surely, 2^51077906 is an apocalyptic number.

51077906 is a deficient number, since it is larger than the sum of its proper divisors (33319342).

51077906 is a wasteful number, since it uses less digits than its factorization.

51077906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22657.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 51077906 is about 7146.8808581087. The cubic root of 51077906 is about 371.0317102239.

The spelling of 51077906 in words is "fifty-one million, seventy-seven thousand, nine hundred six".