56780205 has 8 divisors (see below), whose sum is σ = 90848352. Its totient is φ = 30282768.

The previous prime is 56780201. The next prime is 56780209. The reversal of 56780205 is 50208765.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56780201) and next prime (56780209).

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

It is not a de Polignac number, because 56780205 - 2² = 56780201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56780201) 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, 1892659 + ... + 1892688.

It is an arithmetic number, because the mean of its divisors is an integer number (11356044).

Almost surely, 2^56780205 is an apocalyptic number.

It is an amenable number.

56780205 is a deficient number, since it is larger than the sum of its proper divisors (34068147).

56780205 is a wasteful number, since it uses less digits than its factorization.

56780205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785355.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 56780205 is about 7535.2640962345. The cubic root of 56780205 is about 384.3548085104.

The spelling of 56780205 in words is "fifty-six million, seven hundred eighty thousand, two hundred five".