56458705 has 4 divisors (see below), whose sum is σ = 67750452. Its totient is φ = 45166960.

The previous prime is 56458691. The next prime is 56458757. The reversal of 56458705 is 50785465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50785465 = 5 ⋅10157093.

It can be written as a sum of positive squares in 2 ways, for example, as 19114384 + 37344321 = 4372^2 + 6111^2 .

It is not a de Polignac number, because 56458705 - 2⁵ = 56458673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5645866 + ... + 5645875.

It is an arithmetic number, because the mean of its divisors is an integer number (16937613).

Almost surely, 2^56458705 is an apocalyptic number.

It is an amenable number.

56458705 is a deficient number, since it is larger than the sum of its proper divisors (11291747).

56458705 is a wasteful number, since it uses less digits than its factorization.

56458705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11291746.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 56458705 is about 7513.9007845459. The cubic root of 56458705 is about 383.6280057283.

The spelling of 56458705 in words is "fifty-six million, four hundred fifty-eight thousand, seven hundred five".