56078000305 has 24 divisors (see below), whose sum is σ = 69920566776. Its totient is φ = 43168158720.

The previous prime is 56078000269. The next prime is 56078000333. The reversal of 56078000305 is 50300087065.

56078000305 = 167448² + 167449².

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 42690584689 + 13387415616 = 206617^2 + 115704^2 .

It is not a de Polignac number, because 56078000305 - 2¹⁷ = 56077869233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 567867 + ... + 659263.

It is an arithmetic number, because the mean of its divisors is an integer number (2913356949).

Almost surely, 2^56078000305 is an apocalyptic number.

56078000305 is the 167449-th centered square number.

It is an amenable number.

56078000305 is a deficient number, since it is larger than the sum of its proper divisors (13842566471).

56078000305 is an equidigital number, since it uses as much as digits as its factorization.

56078000305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91557 (or 91516 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 56078000305 in words is "fifty-six billion, seventy-eight million, three hundred five", and thus it is an aban number.