51560419 has 2 divisors, whose sum is σ = 51560420. Its totient is φ = 51560418.

The previous prime is 51560393. The next prime is 51560437. The reversal of 51560419 is 91406515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51560419 - 2⁵ = 51560387 is a prime.

It is a super-2 number, since 2×51560419² = 5316953614911122, which contains 22 as substring.

It is equal to p_3089029 and since 51560419 and 3089029 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51560449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25780209 + 25780210.

It is an arithmetic number, because the mean of its divisors is an integer number (25780210).

Almost surely, 2^51560419 is an apocalyptic number.

51560419 is a deficient number, since it is larger than the sum of its proper divisors (1).

51560419 is an equidigital number, since it uses as much as digits as its factorization.

51560419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 51560419 is about 7180.5584044697. The cubic root of 51560419 is about 372.1963809721.

The spelling of 51560419 in words is "fifty-one million, five hundred sixty thousand, four hundred nineteen".