56406205 has 8 divisors (see below), whose sum is σ = 69871104. Its totient is φ = 43669200.

The previous prime is 56406197. The next prime is 56406209. The reversal of 56406205 is 50260465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56406205 - 2³ = 56406197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56406209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181801 + ... + 182110.

It is an arithmetic number, because the mean of its divisors is an integer number (8733888).

Almost surely, 2^56406205 is an apocalyptic number.

It is an amenable number.

56406205 is a deficient number, since it is larger than the sum of its proper divisors (13464899).

56406205 is a wasteful number, since it uses less digits than its factorization.

56406205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363947.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56406205 is about 7510.4064470573. The cubic root of 56406205 is about 383.5090591089.

It can be divided in two parts, 5640620 and 5, that added together give a square (5640625 = 2375²).

The spelling of 56406205 in words is "fifty-six million, four hundred six thousand, two hundred five".