51914419 has 4 divisors (see below), whose sum is σ = 52645680. Its totient is φ = 51183160.

The previous prime is 51914417. The next prime is 51914449. The reversal of 51914419 is 91441915.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91441915 = 5 ⋅18288383.

It is a cyclic number.

It is not a de Polignac number, because 51914419 - 2¹ = 51914417 is a prime.

It is a super-2 number, since 2×51914419² = 5390213800215122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51914417) 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, 365524 + ... + 365665.

It is an arithmetic number, because the mean of its divisors is an integer number (13161420).

Almost surely, 2^51914419 is an apocalyptic number.

51914419 is a deficient number, since it is larger than the sum of its proper divisors (731261).

51914419 is an equidigital number, since it uses as much as digits as its factorization.

51914419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731260.

The product of its digits is 6480, while the sum is 34.

The square root of 51914419 is about 7205.1661327134. The cubic root of 51914419 is about 373.0462391196.

The spelling of 51914419 in words is "fifty-one million, nine hundred fourteen thousand, four hundred nineteen".