51450677 has 4 divisors (see below), whose sum is σ = 51465216. Its totient is φ = 51436140.

The previous prime is 51450671. The next prime is 51450691. The reversal of 51450677 is 77605415.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51450677 - 2¹² = 51446581 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 (51450671) by changing a digit.

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, 1868 + ... + 10314.

It is an arithmetic number, because the mean of its divisors is an integer number (12866304).

Almost surely, 2^51450677 is an apocalyptic number.

It is an amenable number.

51450677 is a deficient number, since it is larger than the sum of its proper divisors (14539).

51450677 is an equidigital number, since it uses as much as digits as its factorization.

51450677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14538.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 51450677 is about 7172.9127277557. The cubic root of 51450677 is about 371.9321305443.

The spelling of 51450677 in words is "fifty-one million, four hundred fifty thousand, six hundred seventy-seven".