51436877 has 4 divisors (see below), whose sum is σ = 51494496. Its totient is φ = 51379260.

The previous prime is 51436867. The next prime is 51436907. The reversal of 51436877 is 77863415.

51436877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51436877 - 2⁶ = 51436813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51436867) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27449 + ... + 29262.

It is an arithmetic number, because the mean of its divisors is an integer number (12873624).

Almost surely, 2^51436877 is an apocalyptic number.

It is an amenable number.

51436877 is a deficient number, since it is larger than the sum of its proper divisors (57619).

51436877 is an equidigital number, since it uses as much as digits as its factorization.

51436877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57618.

The product of its digits is 141120, while the sum is 41.

The square root of 51436877 is about 7171.9507109293. The cubic root of 51436877 is about 371.8988746012.

The spelling of 51436877 in words is "fifty-one million, four hundred thirty-six thousand, eight hundred seventy-seven".