51119439 has 8 divisors (see below), whose sum is σ = 77896320. Its totient is φ = 29211096.

The previous prime is 51119423. The next prime is 51119447. The reversal of 51119439 is 93491115.

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

It is not a de Polignac number, because 51119439 - 2⁴ = 51119423 is a prime.

It is a super-2 number, since 2×51119439² = 5226394087349442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51119449) 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 7 ways as a sum of consecutive naturals, for example, 1217109 + ... + 1217150.

It is an arithmetic number, because the mean of its divisors is an integer number (9737040).

Almost surely, 2^51119439 is an apocalyptic number.

51119439 is a deficient number, since it is larger than the sum of its proper divisors (26776881).

51119439 is a wasteful number, since it uses less digits than its factorization.

51119439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434269.

The product of its digits is 4860, while the sum is 33.

The square root of 51119439 is about 7149.7859408517. The cubic root of 51119439 is about 371.1322487041.

The spelling of 51119439 in words is "fifty-one million, one hundred nineteen thousand, four hundred thirty-nine".