56417420351 has 2 divisors, whose sum is σ = 56417420352. Its totient is φ = 56417420350.

The previous prime is 56417420299. The next prime is 56417420467. The reversal of 56417420351 is 15302471465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56417420351 - 2¹⁸ = 56417158207 is a prime.

It is a super-2 number, since 2×56417420351² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56417420051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28208710175 + 28208710176.

It is an arithmetic number, because the mean of its divisors is an integer number (28208710176).

Almost surely, 2^56417420351 is an apocalyptic number.

56417420351 is a deficient number, since it is larger than the sum of its proper divisors (1).

56417420351 is an equidigital number, since it uses as much as digits as its factorization.

56417420351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 56417420351 in words is "fifty-six billion, four hundred seventeen million, four hundred twenty thousand, three hundred fifty-one".