51776427 has 8 divisors (see below), whose sum is σ = 72036864. Its totient is φ = 33016808.

The previous prime is 51776423. The next prime is 51776437. The reversal of 51776427 is 72467715.

51776427 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 51776427 - 2² = 51776423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51776423) 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 7 ways as a sum of consecutive naturals, for example, 375123 + ... + 375260.

It is an arithmetic number, because the mean of its divisors is an integer number (9004608).

Almost surely, 2^51776427 is an apocalyptic number.

51776427 is a deficient number, since it is larger than the sum of its proper divisors (20260437).

51776427 is a wasteful number, since it uses less digits than its factorization.

51776427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750409.

The product of its digits is 82320, while the sum is 39.

The square root of 51776427 is about 7195.5838540038. The cubic root of 51776427 is about 372.7154185421.

The spelling of 51776427 in words is "fifty-one million, seven hundred seventy-six thousand, four hundred twenty-seven".