56457205 has 16 divisors (see below), whose sum is σ = 79317504. Its totient is φ = 37768320.

The previous prime is 56457197. The next prime is 56457211. The reversal of 56457205 is 50275465.

It is not a de Polignac number, because 56457205 - 2³ = 56457197 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 18237 + ... + 21106.

It is an arithmetic number, because the mean of its divisors is an integer number (4957344).

Almost surely, 2^56457205 is an apocalyptic number.

It is an amenable number.

56457205 is a deficient number, since it is larger than the sum of its proper divisors (22860299).

56457205 is a wasteful number, since it uses less digits than its factorization.

56457205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39396.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 56457205 is about 7513.8009688839. The cubic root of 56457205 is about 383.6246082770.

The spelling of 56457205 in words is "fifty-six million, four hundred fifty-seven thousand, two hundred five".