51291411 has 8 divisors (see below), whose sum is σ = 68612544. Its totient is φ = 34082280.

The previous prime is 51291379. The next prime is 51291419. The reversal of 51291411 is 11419215.

It is a happy number.

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

It is not a de Polignac number, because 51291411 - 2⁵ = 51291379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51291419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26925 + ... + 28766.

It is an arithmetic number, because the mean of its divisors is an integer number (8576568).

Almost surely, 2^51291411 is an apocalyptic number.

51291411 is a deficient number, since it is larger than the sum of its proper divisors (17321133).

51291411 is a wasteful number, since it uses less digits than its factorization.

51291411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56001.

The product of its digits is 360, while the sum is 24.

The square root of 51291411 is about 7161.8022173193. The cubic root of 51291411 is about 371.5479608664.

The spelling of 51291411 in words is "fifty-one million, two hundred ninety-one thousand, four hundred eleven".