51190427 has 8 divisors (see below), whose sum is σ = 55199760. Its totient is φ = 47312640.

The previous prime is 51190411. The next prime is 51190429. The reversal of 51190427 is 72409115.

51190427 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 51190427 - 2⁴ = 51190411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51190427.

It is not an unprimeable number, because it can be changed into a prime (51190429) 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, 32078 + ... + 33635.

It is an arithmetic number, because the mean of its divisors is an integer number (6899970).

Almost surely, 2^51190427 is an apocalyptic number.

51190427 is a deficient number, since it is larger than the sum of its proper divisors (4009333).

51190427 is a wasteful number, since it uses less digits than its factorization.

51190427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65773.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 51190427 is about 7154.7485630174. The cubic root of 51190427 is about 371.3039625747.

The spelling of 51190427 in words is "fifty-one million, one hundred ninety thousand, four hundred twenty-seven".