51974419 has 8 divisors (see below), whose sum is σ = 59457888. Its totient is φ = 44505600.

The previous prime is 51974413. The next prime is 51974437. The reversal of 51974419 is 91447915.

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 51974419 - 2¹⁹ = 51450131 is a prime.

It is a super-2 number, since 2×51974419² = 5402680460775122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51974413) 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, 5469 + ... + 11569.

It is an arithmetic number, because the mean of its divisors is an integer number (7432236).

Almost surely, 2^51974419 is an apocalyptic number.

51974419 is a deficient number, since it is larger than the sum of its proper divisors (7483469).

51974419 is a wasteful number, since it uses less digits than its factorization.

51974419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325.

The product of its digits is 45360, while the sum is 40.

The square root of 51974419 is about 7209.3286095170. The cubic root of 51974419 is about 373.1898996373.

The spelling of 51974419 in words is "fifty-one million, nine hundred seventy-four thousand, four hundred nineteen".