51611119 has 4 divisors (see below), whose sum is σ = 58984144. Its totient is φ = 44238096.

The previous prime is 51611093. The next prime is 51611141. The reversal of 51611119 is 91111615.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51611119 - 2⁷ = 51610991 is a prime.

It is a super-2 number, since 2×51611119² = 5327415208864322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51611093 and 51611102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51611159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686502 + ... + 3686515.

It is an arithmetic number, because the mean of its divisors is an integer number (14746036).

Almost surely, 2^51611119 is an apocalyptic number.

51611119 is a deficient number, since it is larger than the sum of its proper divisors (7373025).

51611119 is an equidigital number, since it uses as much as digits as its factorization.

51611119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373024.

The product of its digits is 270, while the sum is 25.

The square root of 51611119 is about 7184.0879031370. The cubic root of 51611119 is about 372.3183361146.

The spelling of 51611119 in words is "fifty-one million, six hundred eleven thousand, one hundred nineteen".