51204455 has 8 divisors (see below), whose sum is σ = 61494432. Its totient is φ = 40930848.

The previous prime is 51204427. The next prime is 51204497. The reversal of 51204455 is 55440215.

51204455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51204455 - 2⁸ = 51204199 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4397 + ... + 11033.

It is an arithmetic number, because the mean of its divisors is an integer number (7686804).

Almost surely, 2^51204455 is an apocalyptic number.

51204455 is a deficient number, since it is larger than the sum of its proper divisors (10289977).

51204455 is a wasteful number, since it uses less digits than its factorization.

51204455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 51204455 is about 7155.7288238166. The cubic root of 51204455 is about 371.3378763133.

The spelling of 51204455 in words is "fifty-one million, two hundred four thousand, four hundred fifty-five".